Term
|
Definition
A type of weak chemical bond formed when the slightly positive hydrogen atom of a polar covalent bond in one molecule is attracted to the slightly negative atom of a polar covalent bond in another molecule. |
|
|
Term
|
Definition
An intermolecular force that occurs between Hydrogen, Oxygen, Chlorine Nitrogen, or Fluorine of one molecule and Hydrogen. |
|
|
Term
|
Definition
|
|
Term
|
Definition
arise from a difference of electronegativity. |
|
|
Term
|
Definition
enzyme has 2 active sites: one for substrate, other for an ihibitor. When inhibitor binds to allosteric site, enzyme changes active site and cannot catalyze reaction w/ substrate: feedback inhibition |
|
|
Term
|
Definition
The attraction between different kinds of molecules. |
|
|
Term
|
Definition
substance that speeds up a chemical reaction |
|
|
Term
|
Definition
|
|
Term
|
Definition
catalytic proteins (so organic) that speed up reactions by lowering the activation energy. Provides alternate pathways |
|
|
Term
|
Definition
Using Exergonic to power endergonic |
|
|
Term
|
Definition
|
|
Term
law of conservation of energy |
|
Definition
energy cannot by created or destroyed, only transferred. |
|
|
Term
|
Definition
sum of all of the chemical reactions that take place in cells |
|
|
Term
Noncompetitive Inhibition |
|
Definition
enzyme contains >1 active site and substrates don't resemble each other. Binding of either substrate prevents other one from binding to the enzyme |
|
|
Term
|
Definition
substrate induces enzyme to alter shape slightly so it can fit better |
|
|
Term
|
Definition
some compounds resemble normal substrate model, compete for same active site on the enzyme |
|
|
Term
|
Definition
Single Bonds Only Solid @ Room Temp. (Straight) |
|
|
Term
|
Definition
One or more double bonds Liquid @ Room Temp. (Kinked) |
|
|
Term
|
Definition
Shape determines function |
|
|
Term
|
Definition
first unicellular organisms. |
|
|
Term
|
Definition
used by the majority of living organisms today. |
|
|
Term
|
Definition
energy production using O2 |
|
|
Term
|
Definition
More efficient than anaerobic metabolism it allowed organisms to grow larger. |
|
|
Term
What is true about protein folding |
|
Definition
If you change something in any stage, you are liable to change the whole protein |
|
|
Term
|
Definition
One of two types of nitrogenous bases found in nucleotides. Cytosine (C), thymine (T), and uracil (U) are |
|
|
Term
|
Definition
One of the two types of nitrogenous bases found in nucleotides. Adenine (A) and Guanine (G) are |
|
|
Term
|
Definition
formed from the condensation synthesis of the nucleotide links |
|
|
Term
Primary Stage of Protein folding |
|
Definition
The level of protein structure referring to the specific sequence of animo acids. Amino acids are joined forming polypeptide chains. |
|
|
Term
Secondary Stage of Protein folding |
|
Definition
The localized, repetitive coiling or folding of the polypeptide backbone of a protein due to hydrogen bond formation between peptide linkages. Polypeptide chains for Alpha Helix and Beta Pleated Sheet bonding |
|
|
Term
Tertiary Stage of Protein folding |
|
Definition
Irregular contortions of a protein molecule due to interactions of side chains involved in hydrophobic interactions, ionic bonds, hydrogen bonds, and disulfide bridges. 3D shape is formed. Caused by interaction among r groups |
|
|
Term
Quarternary Stage of Protein Folding |
|
Definition
The particular shape of a complex, aggregate protein, defined by the characteristic three-dimensional arrangement of its constituent subunits, each a polypeptide. Multiple polypeptide interactions occur |
|
|
Term
|
Definition
the breaking down of a protein structure caused by charge of temperature of PH |
|
|
Term
|
Definition
place where protein or enyzme works the best |
|
|
Term
Characteristics of a Prokaryote |
|
Definition
No nucleus Single celled Circular DNA No mitochondria |
|
|
Term
Characteristics of a Eukaryote |
|
Definition
Nucleus Single-Celled Chromosomes All Membrane organelles ER, Rough & Smooth |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Sept. 26 Which bonds are broken for water to vaporize? |
|
Definition
|
|
Term
Sept. 26 The slight negative charge at one end of one water molecule is attracted to the slightly positive charge of another water molecule. What is this attraction called? |
|
Definition
|
|
Term
What allows for water's property of cohesiveness? |
|
Definition
|
|
Term
Desert Rabbits are adapted to the warm climate because their large ears aid in the removal of heat due to the |
|
Definition
High heat vaporization of water |
|
|
Term
Temperature usually increases as water condenses. Which behavior of water is most directly responsible for this phenomenon? |
|
Definition
The release of heat by the formation of hydrogen bonds. |
|
|
Term
Which of the following solutions has the greatest concentration of hydrogen ions (H+)? |
|
Definition
|
|
Term
Hydrophobic substances such as vegetable oil are |
|
Definition
Nonpolar substances that repel water molecules. |
|
|
Term
Why are hydrocarbons insoluble in water? |
|
Definition
The majority of their bonds are nonpolar covalent carbon-to-hydrogen linkages. |
|
|
Term
|
Definition
|
|
Term
|
Definition
Enzyme that makes strands of DNA |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
Weaker interaction than covalent bond. |
|
|
Term
|
Definition
The negatively charged oxygen atom of one water molecule is attracted to the positively charged hydrogen atoms. |
|
|
Term
|
Definition
Can form between the different parts of the same large molecule. |
|
|
Term
Heat Capacity ( Cohesion ) |
|
Definition
Hydrogen bonds attribute to the high heat capacity of water. |
|
|
Term
Raising the temperature will? |
|
Definition
|
|
Term
Example of error in protein folding |
|
Definition
(Sickle Cell) Point Mutation in Primary stage. Messes with Hemoglobin |
|
|
Term
|
Definition
Phosopholipid Bilayer Tail |
|
|
Term
|
Definition
Phospholipid Bilayer Head |
|
|
Term
|
Definition
|
|
Term
|
Definition
opposite charges are separated at the two ends or poles of the bond. |
|
|
Term
|
Definition
greatly influence the interactions they have with other polar molecules |
|
|
Term
Polarity of water molecules |
|
Definition
has significant effects on its physical properties and chemical reactivity. |
|
|
Term
|
Definition
makes compound hydrophilic and polar. |
|
|
Term
|
Definition
|
|
Term
|
Definition
One that has an unequal distribution of charge which creates a positive and negative side to the molecule. |
|
|
Term
|
Definition
|
|
Term
|
Definition
Not ionizing when dissolved in water. |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Which of the following best describes the flow of information in eukaryotic cells? |
|
Definition
|
|
Term
Altering which of the following levels of structural organization could change the function of a protein? |
|
Definition
Primary,Secondary,Tertiary and Quaternary. |
|
|
Term
What would be an unexpected consequence of changing one amino acid in a protein consisting of 325 amino acids? |
|
Definition
The primary structure of the protein would be changed. The tertiary structure of the protein might be changed. The biological activity or function of the protein might be altered. |
|
|
Term
The function of each protein is a consequence of its specific shape. What is the term used for a change in a protein;s three-dimensional shape or conformation due to disruption of hydrogen bonds, disulphide bridges, or ionic bonds? |
|
Definition
|
|
Term
The tertiary structure of a protein is the |
|
Definition
unique three-dimensional shape of the fully folded polypeptide. |
|
|
Term
The alpha helix and the Betta pleated sheet are both common polypeptide forms found in which level of protein structure? |
|
Definition
|
|
Term
Which bonds are created during the formation of the primary structure of a protein? |
|
Definition
|
|
Term
|
Definition
allows the passage of some materials but not others |
|
|
Term
|
Definition
does not require energy for movement |
|
|
Term
|
Definition
requires energy for movement |
|
|
Term
|
Definition
consists of two strands running in opposite directions that are held together by hydrogen bonds between purines on one strand and pyrimidines on the opposing strand. The two strands in a double molecule are coiled in a double helix |
|
|
Term
|
Definition
external environment lower than internal |
|
|
Term
|
Definition
movement of water molecules towards a state of equilibrium |
|
|
Term
Dehydration reaction are used in forming which of the following compounds? |
|
Definition
triacylglycerides, polysaccharides, and proteins |
|
|
Term
Polysaccharides, lipids, and proteins are similar in that they |
|
Definition
are synthesized from monomers by dehydration reactions. |
|
|
Term
The bonding of two amino acid molecules to form a larger molecule requires which of the following? |
|
Definition
removal of a water molecule |
|
|
Term
There are 20 different amino acids. What makes one amino acid different from another? |
|
Definition
different side chains (R groups) attached to an alpha carbon |
|
|
Term
Which of the following is true of cellulose? |
|
Definition
It is a major structural component of plant cell walls. |
|
|
Term
Which of the following best summarizes the relationship between dehydration relations and hydrolysis? |
|
Definition
Dehydration reactions assemble polymors, and hydrolysis reactions break down polymers and Macromolecular synthesis occurs through the removal of water and digestion occurs through the addition of water. |
|
|
Term
Which of the following statements best summarizes the structural differences between DNA and RNA? |
|
Definition
DNA nucleotides contain a different sugar than RNA nucleotides |
|
|
Term
|
Definition
capacity of water molecules to resist coming apart from one another when placed under tension |
|
|
Term
|
Definition
tendency of water to be attracted to each other. |
|
|
Term
High Heat of Vaporization |
|
Definition
A lot of heat is required to change from liquid to gas |
|
|
Term
|
Definition
The property of the surface of a liquid that allows it to resist an external force due to the cohesive nature of its molecules. |
|
|
Term
|
Definition
Ability for a substance to act as both an acid and base. |
|
|
Term
|
Definition
nonpolar , and tend to aggregate with one another father than polar water molecules insoluble . They are hydrophobic. |
|
|
Term
if you change one amino acid |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
a reaction that breaks down compounds by the addition of H20 |
|
|
Term
|
Definition
capacity of water molecules to resist coming apart from one another when placed under tension |
|
|
Term
|
Definition
tendency of water to be attracted to each other. |
|
|
Term
High Heat of Vaporization |
|
Definition
A lot of heat is required to change from liquid to gas |
|
|
Term
|
Definition
The property of the surface of a liquid that allows it to resist an external force due to the cohesive nature of its molecules. |
|
|
Term
|
Definition
Ability for a substance to act as both an acid and base. |
|
|
Term
|
Definition
nonpolar , and tend to aggregate with one another father than polar water molecules insoluble . They are hydrophobic. |
|
|
Term
if you change one amino acid |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
a reaction that breaks down compounds by the addition of H20 |
|
|
Term
|
Definition
alteration of a protein shape through some form of external stress, in such a way that it will no longer be able to carry out its cellular function |
|
|
Term
|
Definition
carbon center surrounded by an amino group , a carboxyl group, a hydrogen and an R group. |
|
|
Term
|
Definition
DNA and RNA nucleotide monomers |
|
|
Term
|
Definition
organic compounds used by cells as long term energy storers, or building blocks. |
|
|
Term
|
Definition
|
|
Term
|
Definition
Amino Acid monomers are joined forming polypeptide chains. |
|
|
Term
|
Definition
|
|
Term
|
Definition
Polypeptide chains may form alpha helixes and beta pleated sheets. |
|
|
Term
|
Definition
three dimensional arrangement caused by interaction among R groups. |
|
|
Term
|
Definition
allows for the integration of thousands of cells within a single plant organ. |
|
|
Term
|
Definition
holds cells together to form Tissue |
|
|
Term
|
Definition
contributes to physical properties of tissue |
|
|
Term
|
Definition
may act as filters for tissue |
|
|
Term
|
Definition
help orient cell movements |
|
|
Term
|
Definition
the animal equivalent of the plant's plasmodesmata |
|
|
Term
|
Definition
lock adjacent animal cells together but still allow materials to move around the outside of the cells. |
|
|
Term
|
Definition
prevent materials from going between adjacent cells. |
|
|
Term
|
Definition
Phospholipids, proteins, glycolipids, glycoproteins Components are able to move through the membrane. |
|
|
Term
How can fluidity be reduced in the Phospholipid bilayer? |
|
Definition
cholesterol , saturation of fatty acids , protein content , and temperature. |
|
|
Term
|
Definition
allows the passage of some materials but not others. |
|
|
Term
|
Definition
does not require energy for transport |
|
|
Term
|
Definition
requires energy for movement. |
|
|
Term
Passive Transport Examples |
|
Definition
Simple Diffusion , Osmosis |
|
|
Term
|
Definition
Random movement of molecules towards equilibrium |
|
|
Term
|
Definition
movement of water molecule toward a state of equilibrium |
|
|
Term
|
Definition
solute external more than internal |
|
|
Term
|
Definition
solute internal more than external |
|
|
Term
|
Definition
solute balanced internal and external |
|
|
Term
|
Definition
|
|
Term
Plant Cell will be fine in |
|
Definition
|
|
Term
Why will a plant cell be fine in a hypotonic solution? |
|
Definition
as the membrane moves out the cell wall pushes back in, this concept is know as turgor pressure. |
|
|
Term
|
Definition
as the membrane moves out the cell wall pushes back in. |
|
|
Term
CANNOT DIFFUSE THROUGH THE MEMBRANE |
|
Definition
Large, Polar, charged, amino acids, sugars, ions, and water molecules. |
|
|
Term
|
Definition
Requires energy to pump substances AGAINST the concentration gradient. |
|
|
Term
Two types of Active Transport? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Secondary Active Transport |
|
Definition
A concentration gradient that was established by ATP used to drive Active Transport. |
|
|
Term
Hydrolysis of ATP Produces |
|
Definition
|
|
Term
|
Definition
|
|
Term
The reverse of hydrolysis of ATP |
|
Definition
|
|
Term
Once a terminal phosphate is separated it is now a |
|
Definition
|
|
Term
As the level of ATP falls so will the level of |
|
Definition
|
|
Term
|
Definition
taking in of molecules or cells by the eukaryotic cell |
|
|
Term
|
Definition
cell intakes large particles or cells |
|
|
Term
|
Definition
absorbs liquids and dissolved particles |
|
|
Term
Receptor mediated endocytosis |
|
Definition
triggered by a specific molecule (ligand) |
|
|
Term
|
Definition
any molecule that bonds to a receptor and causes a cellular response. |
|
|
Term
In Order for cholesterol to be made available to cells for use in cell membranes.. |
|
Definition
LDL (good cholesterol) must be absorbed by the cell through , Receptor Mediated Endocytosis |
|
|
Term
|
Definition
materials that are packaged inside the cell are removed or exported from the cell through this process |
|
|
Term
Signal Transduction Pathway |
|
Definition
series of cellular reaction that begin with the stimulus of a receptor molecule by a physical or chemical signal and ends with a cellular response. |
|
|
Term
Signal Transduction Pathway |
|
Definition
critical for cells to interact with a changing environment |
|
|
Term
Signal Transduction Pathway |
|
Definition
critical to maintain homeostasis |
|
|
Term
|
Definition
|
|
Term
|
Definition
there is movement but at the same rate |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
is stored in chemical bonds |
|
|
Term
|
Definition
can be released by Metabolic Pathways of cells |
|
|
Term
|
Definition
|
|
Term
|
Definition
divided into a series of separate reactions, controlled release rather than one large energy transformation. |
|
|
Term
Individual Reactions in a Metabolic Pathway |
|
Definition
catalyzed by specific enzymes Regulation of overall pathway by checkpoints at intermediate steps, Enzyme Specificity |
|
|
Term
|
Definition
Similar in all organisms. -Link for ancestry -conserved/ selected for |
|
|
Term
|
Definition
use compartmentalized structures to segregate individual reactions of a pathway (regulation) ( Different environments that favor different reactions/enzymes) |
|
|
Term
|
Definition
can be inhibited or activated to control the overall rate of the pathway |
|
|
Term
|
Definition
free energy, or energy available to do work |
|
|
Term
|
Definition
energy releasing reaction |
|
|
Term
|
Definition
energy consuming reaction |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
use of an exergonic reaction to power an endergonic reaction. |
|
|
Term
Substrate level phosphorylation |
|
Definition
P i (inorganic phosphate) is transferred directly to ADP. Occurs in glycolysis |
|
|
Term
|
Definition
step one of cell reparation |
|
|
Term
Oxidative Phosphorylation |
|
Definition
use of a series of Redox Reactions and chemiosmosis to phosphorylate ADP --> ATP |
|
|
Term
|
Definition
Reactions involving the transfer of electrons |
|
|
Term
|
Definition
half reaction of substance losing electrons |
|
|
Term
|
Definition
half reaction of a substance gaining electrons |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Reduced substances contain more energy then oxidized substances because of |
|
Definition
|
|
Term
|
Definition
two very important molecules to transfer electrons |
|
|
Term
Electron Carriers exist in how many forms? |
|
Definition
|
|
Term
|
Definition
The oxidized form ( low energy) The reduced form ( high energy) |
|
|
Term
|
Definition
NAD+(oxidized) and NADH (reduced) FAD (oxidized) and FADH2 (reduced) |
|
|
Term
Substrate level phosphorylation |
|
Definition
|
|
Term
ADP traps energy to produce |
|
Definition
|
|
Term
|
Definition
trap electrons in redox reactions |
|
|
Term
|
Definition
deposit their elections later in this pathway to help produce more ATP |
|
|
Term
What are the molecules that all living things are made up of? |
|
Definition
Proteins Lipids Carbohydrates Nucleic Acids |
|
|
Term
|
Definition
catabolism of glucose but can occur with the catabolism of lipids and proteins |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
6 carbon glucose is split into two 3 carbon molecules of pyruvate |
|
|
Term
|
Definition
pyruvate oxidized into two carbon molecules called acetyl coA - (2)NADH -(2)CO2 |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
is a Pathway consists of 10 "enzyme mediated" reactions |
|
|
Term
Glycolysis can be divided into two stages |
|
Definition
Energy Investment , Energy Harvest |
|
|
Term
|
Definition
ATP must be spent to breakdown glucose |
|
|
Term
|
Definition
ATP is recovered and is NAD+ is reduced to NADH |
|
|
Term
When Pyruvate is oxidized it becomes |
|
Definition
|
|
Term
Step one of the Citric Acid Cycle |
|
Definition
the separation of Acetyl CoA and the attachment of the Acetyl group to a molecule called Ocalocetate. |
|
|
Term
1 Turn of the Citric Acid Cycle produces |
|
Definition
3NADH, 1FADH2 , ATP , 2 CO2 |
|
|
Term
|
Definition
|
|
Term
|
Definition
double membrane bound organelle |
|
|
Term
Electro chemical Gradient |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
use the energy from electrons to push protons against the gradient |
|
|
Term
|
Definition
|
|
Term
Cells are produced through two methods |
|
Definition
|
|
Term
|
Definition
Cell Division, Asexual reproduction, Daughter cells are genetically identical to parent cells. |
|
|
Term
|
Definition
1 Replication 1 Divison 2 Daughter Cells genetically identical to parent cell |
|
|
Term
|
Definition
has a major role in growth and repair of organisms |
|
|
Term
|
Definition
cell division that produces gametes |
|
|
Term
|
Definition
contain half the genetic information of parent cells. |
|
|
Term
|
Definition
are used in sexual reproduction. |
|
|
Term
|
Definition
requires the fusion of specialized cells called gametes |
|
|
Term
|
Definition
cells that result from Meiosis |
|
|
Term
Meiotic cell divisions results in... |
|
Definition
cells that contain half the amount of DNA of the parent cell and in many cases the DNA is different |
|
|
Term
|
Definition
1 Replication 2 Divisions 4 Daughter Cells with ½ the DNA as parent cell |
|
|
Term
|
Definition
A single DNA molecule and the proteins that help organize the molecule. |
|
|
Term
|
Definition
Body Cells , cells that do not specialize in reproduction. Contain 2x the amount of DNA as sex cells |
|
|
Term
|
Definition
is the number of sets of chromosomes |
|
|
Term
|
Definition
Somatic cells that are usually Diploid, the mother's chromosome and the corresponding father's chromosome |
|
|
Term
|
Definition
2 sets of chromosomes or 2 copies of each chromosome |
|
|
Term
|
Definition
single set of chromosomes or one copy |
|
|
Term
|
Definition
|
|
Term
|
Definition
reproduction of a single celled organism growth and repair in multicellular organisms. |
|
|
Term
|
Definition
|
|
Term
In the cell cycle if synthesis occurs... |
|
Definition
it must continue and reduce |
|
|
Term
4 stages of the cell cycle |
|
Definition
G1 S G2 Mitotic Phase ( Mitosis and Cytokinesis) |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
You have an inhibitor or an activator that binds to an enzyme not at its active site to change the function of the enzyme. |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Levels of _____ don't change |
|
Definition
|
|
Term
Density Dependent Inhibition |
|
Definition
Mitosis can be inhibited based upon density |
|
|
Term
Cyclin is directly proportional to |
|
Definition
|
|
Term
|
Definition
46 Chromosomes. Duplicating |
|
|
Term
|
Definition
chromosomes doubled up to 92. Condensing |
|
|
Term
|
Definition
Centrosomes split into centrioles , centrioles migrate to the poles to produce spindles. Nucleus dissolves and microtubules attach to centromeres |
|
|
Term
|
Definition
Chromosomes begin to align at the middle of the cell |
|
|
Term
|
Definition
Separated Chromosomes pulled apart divide |
|
|
Term
|
Definition
Microtubules disappear, division begins |
|
|
Term
|
Definition
Two daughter cells split, each with 46 chromosomes. |
|
|
Term
|
Definition
increase in genetic variation |
|
|
Term
|
Definition
occurs in mitosis, happens in prophase , good for population |
|
|
Term
|
Definition
the way that chromosomes move into the gametes |
|
|
Term
|
Definition
|
|
Term
|
Definition
Replication and division @ the same time |
|
|
Term
|
Definition
organized method of distributing chromosomes |
|
|
Term
A cell in G1 compared to G2 |
|
Definition
same # of chromosomes 2x the DNA |
|
|
Term
centromere to chromosomes ratio |
|
Definition
|
|
Term
metaphase to anaphase ratio |
|
Definition
|
|
Term
|
Definition
The way they align, and Creates variation which is necessary for natural selection in population. |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
stage that does not divide |
|
|
Term
|
Definition
100% Homozygous Dominant/ Heterozygotes |
|
|
Term
Di hybrid cross phono ratio |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
stretch of chromosomes/ segment of DNA |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
Many genes control one trait |
|
|
Term
|
Definition
the mating of two individuals |
|
|
Term
|
Definition
between first generation offspring |
|
|
Term
|
Definition
recombinant progeny/ total progeny greater for loci that are farther apart on chromosome. |
|
|
Term
|
Definition
independent of normal genome, small # of genes replicate on their own |
|
|
Term
|
Definition
1 Bacterial cell and another come in close proximity and build a sex pills when bacteria reproduces genome will move from genome to corresponding genome. DNA duplicates , builds a bridge, sends it over to the other one. Will swap out recessive genes. |
|
|
Term
|
Definition
act as vehicles for traits. |
|
|
Term
|
Definition
|
|
Term
|
Definition
organisms complete set of all genetics |
|
|
Term
|
Definition
|
|
Term
Every cell in your body has the same exact genome but |
|
Definition
|
|
Term
|
Definition
a long molecule that is made up of monomers |
|
|
Term
|
Definition
protein/ polypeptide chain |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
animal polymer made up of glucose |
|
|
Term
|
Definition
plant polymer made in cell wall |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
builds polymers through the removal of water |
|
|
Term
|
Definition
breaks down by addition of water |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
To find the change in heat always |
|
Definition
Subtract initial from Final ( F - I ) |
|
|
Term
|
Definition
|
|
Term
|
Definition
breaking down of protein structure by changes in temp or PH change |
|
|
Term
|
Definition
point where the protein works best |
|
|
Term
|
Definition
have different optimal ranges and specificity. |
|
|
Term
|
Definition
The synthesis of a polypeptide chain from a segment of RNA. |
|
|
Term
|
Definition
The synthesis of mRNA (messenger RNA) from a DNA template. |
|
|
Term
How many amino acids are there? |
|
Definition
|
|
Term
The steps of transcription are... |
|
Definition
Initiation, elongation, termination, and modification |
|
|
Term
Initiation of transcription is because a |
|
Definition
RNA polymerase reaches a promoter |
|
|
Term
Most genes in the human genome are |
|
Definition
|
|
Term
|
Definition
produces proteins that are exported from the cells |
|
|
Term
|
Definition
|
|
Term
|
Definition
can modify carbohydrates & lipids and detoxification |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
builds proteins that remain in the cell |
|
|
Term
|
Definition
active site of protein synthesis |
|
|
Term
|
Definition
|
|
Term
|
Definition
Fibrous network that provides anchorage for cells. |
|
|
Term
|
Definition
attached to Nucleus so a tug on the ex cell matrix will transfer through the cytoskeleton to the nucleus which regulates gene expression. |
|
|
Term
|
Definition
|
|
Term
Small Non polar substances |
|
Definition
|
|
Term
|
Definition
High to low through a protein |
|
|
Term
|
Definition
sum total of all chemical reactions in the body |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
1st law of thermodynamics |
|
Definition
cannot create nor destroy energy implication : Organisms need to find energy |
|
|
Term
2nd law of thermodynamics |
|
Definition
moves towards entropy (disorder) implication : We are continually increasing the entropy of the universe. |
|
|
Term
|
Definition
When the rate of forward reaction = the rate of backward reaction. |
|
|
Term
|
Definition
Product turns off the process |
|
|
Term
|
Definition
product turns on the process, and or makes it work more often. |
|
|
Term
|
Definition
An alternative version of a gene |
|
|
Term
|
Definition
a variant for a character |
|
|
Term
|
Definition
a cross between individuals heterozygous for a single character |
|
|
Term
|
Definition
a heritable feature that varies among individuals |
|
|
Term
|
Definition
a heritable unit that determines a character and can exist in different forms |
|
|
Term
|
Definition
having two identical alleles for a gene |
|
|
Term
|
Definition
determines phenotype in heterozygote |
|
|
Term
|
Definition
Has no effect on phenotype in a heterozygote |
|
|
Term
|
Definition
an organism's appearance or observable traits |
|
|
Term
|
Definition
the genetic makeup of an individual |
|
|
Term
|
Definition
a cross between an individual with an unknown genotype and a homozygous recessive individual |
|
|
Term
|
Definition
Having two different alleles of a gene |
|
|
Term
All of the following are part of prokaryotic cell except |
|
Definition
|
|
Term
Which of the following is major cause of the size limits for certain types of cells? |
|
Definition
the need for a surface area of sufficient area to allow the cell's function |
|
|
Term
Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules? |
|
Definition
|
|
Term
Which typ elf the organelle is primarily involved in the synthesis of oils, phospholipids, and steroids? |
|
Definition
smooth endoplasmic reticulum |
|
|
Term
In animal cells, hydrolytic enzymes are packaged to prevent general destruction of cellular components. Which of the following organelles functions in this compartmentalization? |
|
Definition
|
|
Term
Tay-Sachs disease is a human genetic abnormality that results in cells accumulating and becoming clogged with very large complex lipids, primarily because these lipids are not properly broken down. Which cellular organelle must be involved in this condition? |
|
Definition
|
|
Term
The liver is involved in detoxification of many poisons and drugs. Which of the following structures is primarily involved in this process and therefore abundant in liver cells? |
|
Definition
|
|
Term
Which of the following is a compartment that often takes up much of the volume of a plant cell? |
|
Definition
|
|
Term
Which is one of the main energy transformers of cells? |
|
Definition
|
|
Term
Which of the following contains its own DNA and ribosomes? |
|
Definition
|
|
Term
Which of the following are capable of converting light energy to chemical energy? |
|
Definition
|
|
Term
Which of the following relationships between cell structures and their respective functions is correct? |
|
Definition
|
|
Term
Ions can travel directly from the cytoplasm of an adjacent cell through |
|
Definition
|
|
Term
Which structure is common to plant and animal cells? |
|
Definition
|
|
Term
Which of the following is present in a prokaryotic cell? |
|
Definition
|
|
Term
Which of the following processes includes all others? |
|
Definition
|
|
Term
Which of the following factors would tend to increase membrane fluidity? |
|
Definition
a greater proportion of unsaturated phospholipids |
|
|
Term
Which of the following is a reasonable explanation for why unsaturated fatty acids help keep any membrane more fluid at lower temperatures? |
|
Definition
The double bonds form kinks in the fatty acid tails , forcing adjacent lipids to be further apart. |
|
|
Term
Of the following functions which is the most important for the glycoproteins and glycolipids of animal cell membranes? |
|
Definition
a cell's ability to distinguish one type of neighboring cell from another |
|
|
Term
Which of the following is a characteristic feature of carrier protein in a plasma membrane? |
|
Definition
It exhibits a specificity for a particular type of molecule |
|
|
Term
Which of the following statements is correct about diffusion? |
|
Definition
It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration. |
|
|
Term
A patient has had a serious accident and lost a lot of blood. In an attempt to replenish body fluids, distilled water, equal to the volume of blood lost, is transferred directly into one of his veins. What will be the most probable result of this transfusion? |
|
Definition
The patient's red blood cells will swell because the blood fluid is hypotonic compared to the inside of cells. |
|
|
Term
Celery stalks that are immersed in fresh water for several hours become stiff and hard. Similar stalks left in a salt solution become limp and soft. From this we can deduce that the cells of the celery stalks are |
|
Definition
hypertonic to fresh water but hypotonic to the salt solution |
|
|
Term
A cell whose cytoplasm has a concentration of 0.02 molar glucose is placed in a test tube of water containing 0.02 molar glucose. Assuming that glucose is not actively transported into the cell, which of the following terms describes the tonicity of the external solution relative to the cytoplasm of the cell? |
|
Definition
|
|
Term
You are working on a team that is designing a new drug. In order for this drug to work, it must enter the cytoplasm of specific target cells. Which of the following would be a factor that determines whether the molecule enters the cell? |
|
Definition
similarity of the drug molecule to other molecules transported by the target cells |
|
|
Term
Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose rich food into their glucose poor cytoplasm. Using this information, which transport mechanism is most probably functioning in the intestinal cells? |
|
Definition
|
|
Term
White blood cells engulf bacteria through what process? |
|
Definition
|
|
Term
In receptor-mediated endocystosis, receptor molecules initially project to the outside of the cell. Where do they end up after endocytosis? |
|
Definition
on this inside surface of the vesicle |
|
|
Term
Which of the following types of molecules are the major structural components of the cell membrane? |
|
Definition
phospholipids and proteins |
|
|
Term
Which of the following is a true distinction between fermentation and cellular respiration? |
|
Definition
NADH is oxidized by the electron transport chain in respiration only. |
|
|
Term
The final electron acceptor of the electron transport chain that functions in aerobic oxidative phosphorylation is |
|
Definition
|
|
Term
Which metabolic pathway is common to both fermentation and cellular respiration of a glucose molecule? |
|
Definition
|
|
Term
The immediate energy source that drives ATP synths by ATP synthase during oxidative phosphorylation is |
|
Definition
the H+ concentration gradient across the inner mitochondrial membrane. |
|
|
Term
When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction , the molecule becomes |
|
Definition
|
|
Term
In addition to ATP, what are the end products of glycolysis? |
|
Definition
|
|
Term
Why is glycolysis described as having an investment phase and a payoff phrase? |
|
Definition
It uses stored ATP and then forms a net increase in ATP |
|
|
Term
Cellular respiration harvests the most chemical energy from which of the following? |
|
Definition
chemiosmotic phosphorylation ( oxidative phosphorylation) |
|
|
Term
Energy released by the electron transport chain is used to pump H+ ions which location? |
|
Definition
mitochondrial inter-membrane space |
|
|
Term
When hydrogen ions are pumped from the mitochondrial matrix across the inner membrane and into the inter membrane space, the result is the |
|
Definition
creation of a proton gradient |
|
|
Term
Approximately how many molecules of ATP are produced from the complete oxidation of two molecules of glucose (c6h12o6) in cellular respiration? |
|
Definition
|
|
Term
In liver cells, the inner mitochondrial membranes are about 5X the area of the outer mitochondrial membranes and about 17 X that of the cell's plasma membrane. What purpose must this serve? |
|
Definition
It increases the surface for oxidative phosphorylation. |
|
|
Term
The accompanying figure shows the electron transport chain. Which of the following is the combination of substances that is initially added to the chain? |
|
Definition
NADH, FADH2 and electrons |
|
|
Term
Which of the following couples chemiosmosis to energy storage? |
|
Definition
|
|
Term
Which of the following normally occurs whether or not oxygen (O2) is present? |
|
Definition
|
|
Term
Which metabolic pathway is common to both cellular respiration and fermentation? |
|
Definition
|
|
Term
The ATP made during fermentation is generated by which of the following? |
|
Definition
substrate-level phosphorylation |
|
|
Term
In the absence of oxygen , yeast cells ( which are unicellular) can obtain energy by fermentation resulting in the production of |
|
Definition
ATP, CO2, and ethanol(ethyl alcohol) |
|
|
Term
Why is glycolysis considered to be one of the first metabolic pathways to have evolved? |
|
Definition
It is found in the cytosol, does not involve oxygen, and is present in most organisms. |
|
|
Term
What is the term for metabolic pathways that absorb stored energy by building complex molecules? |
|
Definition
|
|
Term
Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present or absent? |
|
Definition
|
|
Term
The molecule that is phosphorylated |
|
Definition
has an increased chemical reactivity it is primed to do cellular work |
|
|
Term
Which of the following statements describes NAD+? |
|
Definition
NAD+ is reduced to NADH during both glycolysis and the citric acid cycle. |
|
|
Term
In chemiosmotic phosphorylation what is the most direct source of energy that is used to convert ADP + Pi to ADP? |
|
Definition
energy released from movement of protons through ATP synthase. |
|
|
Term
why are carbohydrates and fats considered high energy foods? |
|
Definition
they have a lot of electrons associated with hydrogen. |
|
|
Term
What is the term for metabolic pathways that release stored energy by breaking down complex molecules? |
|
Definition
|
|
Term
the molecule that functions as the reducing agent (electron donor) in a redox or oxidation- reduction reaction |
|
Definition
loses electrons and loses energy |
|
|
Term
When a molecule of Nad+ gains a hydrogen atom the molecule becomes |
|
Definition
|
|
Term
Which of the following statements describes NAD +? |
|
Definition
Nad+ is reduced to NADH during both glycolysis and the citric acid cycle |
|
|
Term
Where does glycolysis take place? |
|
Definition
|
|
Term
The ATP made during glycolysis is generated by |
|
Definition
substrate- level phosphorylation |
|
|
Term
The oxygen consumed during cellular respiration is involved directly in which process of event? |
|
Definition
accepting electrons at the end of the electron transport chain |
|
|
Term
Which process in eukaryotic cells will proceed normally whether oxygen (O2) is absent or present? |
|
Definition
|
|
Term
During glycolysis when glucose is catabolized to pyruvate, most of the energy of glucose |
|
Definition
|
|
Term
A molecule that is phosphorylated |
|
Definition
has an increased chemical reactivity ; it is primed to do cellular work. |
|
|
Term
Which kind of metabolic poison would most directly interfere with glycolysis ? |
|
Definition
an agent that closely mimics the structure of glucose but it not metabolized |
|
|
Term
Which of the following intermediary metabolites enters the citric acid cycle and is formed in part by the removal of carbon (CO2) from one molecule of pyruvate? |
|
Definition
|
|
Term
How many carbon atoms are fed into the citric acid cycle as result of the oxidation of one molecule of pyruvate? |
|
Definition
|
|
Term
Carbon dioxide (CO2) is released during which of the following stages of cellular respiration |
|
Definition
oxidation of pyruvate to acetyl coA and the citric acid cycle |
|
|
Term
During aerobic respiration electrons travel downhill in which sequence? |
|
Definition
food-NADH-electron transport-oxygen |
|
|
Term
What is the difference between a monohybrid cross and a dihybrid cross? |
|
Definition
A dihybrid cross involves organisms that are heterozygous for two characters and a monohybrid only one. |
|
|
Term
The F1 offspring of Mendel's classic pea cross always looked like one of the two parental varieties because |
|
Definition
one phenotype was completely dominant over another |
|
|
Term
How many unique gametes could be produced through independent assortment by an individual with the genotype AaBbCCDdEE? |
|
Definition
|
|
Term
Two plants are crossed , resulting in offspring with a 3:1 ratio for a particular trait. This suggests |
|
Definition
that the parents were both heterozygous |
|
|
Term
A sexually reproducing animal has two unlinked genes one for head shape (H) and one for tail length (T). Its genotype is HhTt. Which of the following genotypes is possible in a gamete from this organism? |
|
Definition
|
|
Term
It is was important that Mendel examined not just the F1 generation in his breeding experiments, but the F2 generation as well , because |
|
Definition
parental traits that were not observed in the F1 reappeared in the F2 |
|
|
Term
When crossing an organism that is homozygous recessive for a single trait with a heterozygote what is the chance of producing an offspring with the homozygous recessive phenotype? |
|
Definition
|
|
Term
In Certain plants tall is dominant to short. If a heterozygous plant is crossed with a homozygous tall plant, what is the probability that the offspring will be short? |
|
Definition
|
|
Term
In a cross AaBbCc x AaBbCc what is the probability of producing the genotype AABBCC? |
|
Definition
|
|
Term
In snapdragons, heterozygotes for one of the genes have pink flowers, whereas homozygotes have red or white flowers. When plants flowers. When plants with red flowers are crossed with plants with white flowers, what proportion of the offspring will have pink flowers? |
|
Definition
|
|
Term
What level of protein development forms a polymer? |
|
Definition
|
|
Term
What is the monomer of proteins? |
|
Definition
|
|
Term
What type of reaction (hydrolysis or Dehydration synthesis) forms a protein. |
|
Definition
|
|
Term
What would be the effects of changing one amino acid in an amino aid sequence? |
|
Definition
you change the whole protein |
|
|
Term
What causes denaturation? |
|
Definition
|
|
Term
What molecule in a cell contains all the essential information of a cell? |
|
Definition
|
|
Term
What organelle constructs proteins based on genetic information? |
|
Definition
|
|
Term
A cell specializes in producing proteins that are exported from the cell. What organelle would be abundant in this cell? Describe how you would observe this organelle |
|
Definition
Rough Endoplasmic reticulum |
|
|
Term
A cell specializes in producing proteins that stay within the cell. What organelle would be abundant in this cell? Describe how you would observe this organelle. |
|
Definition
|
|
Term
A cell specializes in modifying carbohydrates and lipids. Which organelle would you expect to be abundant in this cell? |
|
Definition
|
|
Term
A cell specializes in digestion , what organelle might you expect to be abundant in this cell? |
|
Definition
|
|
Term
A cell specializes in energy production, which organelle would you expect to be abundant in this cell? |
|
Definition
|
|
Term
Why would a cell form microvilli on its surface? |
|
Definition
To increase surface area, which increases the amount of reactions that can take place. |
|
|
Term
Which structure would take up a large amount of volume inside a plant cell? |
|
Definition
|
|
Term
What is the role of glycoproteins and glycolipids within the cell membrane? |
|
Definition
They helps to stabilise the membrane structure as they forms hydrogen bonds with water molecules in the fluid surrounding the cell.
They also act as receptors and help in cell identification, hormonal responses and neurotransmission. Glycoproteins can act as carrier proteins. |
|
|
Term
Active transport moves molecules from what concentration to what concentration? |
|
Definition
|
|
Term
Facilitated diffusion moves molecules form what concentration to what concentration? |
|
Definition
|
|
Term
What is the difference between facilitated diffusion and diffusion? |
|
Definition
facilitated diffusion uses protein carrier molecules |
|
|
Term
What molecule is used by organisms to couple exergonic reactions with endergonic reactions? |
|
Definition
|
|
Term
|
Definition
|
|
Term
Does hydrolysis or dehydration synthesis release energy from ATP? |
|
Definition
|
|
Term
|
Definition
using an exergonic reaction to power an endergonic reaction |
|
|
Term
What are the three general steps of a cell receiving a signal and responding? |
|
Definition
Reception, Response, Transduction |
|
|
Term
what is paracrine signaling? |
|
Definition
neighboring molecules release molecules that signal neighboring molecules. |
|
|
Term
A drug prevents the shortening of microtubules, during what phase of mitosis would you expect the process to be halted? |
|
Definition
|
|
Term
A drug prevents the elongation of microtubules, during what phase of mitosis would you expect the process to be halted? |
|
Definition
|
|
Term
A drug prevents the reformation of the nuclear membrane, during what phase of mitosis would you expect the process to be halted? |
|
Definition
|
|
Term
A drug prevents microtubules from attaching to kinetochores of chromosomes, during which phase of mitosis would you expect the process to be halted? |
|
Definition
|
|
Term
|
Definition
|
|
Term
Which phase of mitosis contained the M checkpoint? |
|
Definition
|
|
Term
Do all sexual organisms have the same life cycle? |
|
Definition
|
|
Term
how many chromosomes are in humans? |
|
Definition
|
|
Term
How many maternal chromosomes? |
|
Definition
|
|
Term
How many paternal chromosomes? |
|
Definition
|
|
Term
How many autosomal chromosomes? |
|
Definition
|
|
Term
How many chromosomes in a fertilized egg? |
|
Definition
|
|
Term
Are gametes diploid or haploid? |
|
Definition
|
|
Term
Is a fertilized egg haploid or diploid ? |
|
Definition
|
|
Term
How many chromosomes are in a human diploid cell? |
|
Definition
|
|
Term
How many chromosomes are in a human haploid cell? |
|
Definition
|
|
Term
How many sets of chromosomes are in a human diploid cell? Haploid Cell? |
|
Definition
|
|
Term
Are gametes produced by meiosis or mitosis? |
|
Definition
|
|
Term
are somatic cells produced by mitosis or meiosis? |
|
Definition
|
|
Term
what are the three stages of cell respiration? |
|
Definition
Glycolysis , Kreb Cycle , oxidative phosphorylation |
|
|
Term
|
Definition
|
|
Term
Oxidative Phosphorylation occurs in |
|
Definition
inner membrane of mitochondria |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
Which phase will continue with or without the presence of Oxygen? |
|
Definition
|
|
Term
Which phase of cell respiration is common to both aerobic respiration as well as fermentation? |
|
Definition
|
|
Term
What are the differences and similarities of aerobic respiration and anaerobic respiration? |
|
Definition
|
|
Term
3:1 phenotypic ratio suggest what about parents genotypes? |
|
Definition
Heterozygous monohybrid cross |
|
|
Term
1:2:1 phenotypic ratio suggests what about inheritance? |
|
Definition
|
|
Term
What does true breeding mean? |
|
Definition
|
|
Term
If multiple traits can be observed to obey the law of independent assortment, what can be inferred about their position on chromosomes? |
|
Definition
they are far apart or on different chromosomes. |
|
|
Term
What can be said about the crossing over rates between two genes the closer the genes are located to each other on the same chromosome? |
|
Definition
less likely recombination rate |
|
|
Term
What can cause the daughter cell of a mitotically producing cell to be genetically different than the parent cell? |
|
Definition
|
|
Term
|
Definition
equal segments of DNA chromosomes are exchanged |
|
|
Term
What is a gene’s location on a chromosome referred to as? |
|
Definition
|
|
Term
Describe the levels of cyclin in a cell as it moves through the cell cycle. |
|
Definition
|
|
Term
Describe the levels of CDK in a cell as it moves through the cell cycle. |
|
Definition
|
|
Term
Describe the levels of MPF in a cell as it moves through the cell cycle. |
|
Definition
will continually increase as mitosis approaches and sharply decrease when mitosis is complete |
|
|
Term
What does CDK, and MPF stand for? |
|
Definition
Cyclin dependent kinase Mitosis Promoting Factor |
|
|
Term
There are 20 variations of a gene. How many different different variations can a diploid organisms contain for this gene? |
|
Definition
|
|
Term
What does it mean for an enzymes to be a kinase? |
|
Definition
|
|
Term
What is the shortest portion of the cell cycle? |
|
Definition
|
|
Term
How can termination of a cell signal be accomplished? |
|
Definition
|
|
Term
How are dehydration synthesis and hydrolysis linked? |
|
Definition
|
|
Term
What are the major classes of polymers? What are their monomers? |
|
Definition
Carbs, Proteins, Lipids, DNA monosacs, aminos , fatty acids and glycerol, nucleotides |
|
|
Term
Two monosaccharides are linked to form what? |
|
Definition
|
|
Term
What are the similarities and differences of starch and cellulose? |
|
Definition
Starch is energy for plants. Cellulose is structural component of plants.
both polymers of glucose |
|
|
Term
What are the similarities and differences of starch and glycogen? |
|
Definition
both polymers of glucose Starch = plant glycogen= animals |
|
|
Term
What molecule acts as a relay molecule for genetic information from nucleus to protein? |
|
Definition
|
|
Term
|
Definition
|
|
Term
Heroin is able to mimic the effects of morphine. Google the molecular images of both and explain why both molecules elicit similar responses in organisms. |
|
Definition
molecular shape similarities that allow morphine to bind to endorphin receptors , An endorphin is a natural brain signal that helps us feel good (or better). the morphine molecule, an opiate, is a close match to the structure of an endorphin. The body does not recognise the difference either way, so the chemical impostor morphine can bind to endorphin receptors. |
|
|