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Human Bio Exam 1
For Final
48
Biology
Undergraduate 2
11/23/2010

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Term
A scientific theory is-
Definition
a hyphthesis that has been repeatedly tested and passed scrutiny by many scientists.
Term
An additional step to the scientific method over an individual's simple questiong and problem solving is-
Definition
Reporting in a "peer reviewed" journal
Term
We share which of these two mammalian characteristics with all mammals and only with mammals-
Definition
have hair and mammary glands
Term
Cellular Respiration of one glucose creates _____ ATP, while Fermentation of one glucose creates ______ ATP.
Definition
36 ..... 2
Term
The cell and plasma membranes are bilayers easily formed by-
Definition
phospholipids with heads out, tails in
Term
The scientific name for humans is correctly written as-
Definition
Homo sapien
Term
8. Each of us are individuals, different from everyone else, as a result of:
Definition
Our experiences in life
Our genetic inheritance
Term
A molecule with the diagrammed structure would be:
Definition
Fat
Term
10. Given two lipid molecules that are identical except that one is unsaturated and the other is a trans-fat, the difference would be in:
Definition
The position of the hydrogens
Term
Reliable sources for scientific information on the internet may end in:
Definition
.edu, .gov, or .org
Term
12. The Carbon atom has ____ electrons in its outer shell, allowing it to form that same number of bonds with other atoms.
Definition
Four
Term
In size order, from small to large, which is correct?
Definition
Electron, Atom, molecule, cellular organelles, cell
Term
The 3 most common elements in living organisms are:
Definition
Hydrogen, carbon, oxygen
Term
Of all of the characteristics of water, the one most valuable to living organisms overall is that it is
Definition
Solvent of life
Term
A solution with a pH of 8 is ________ times more _________ than one with a pH of 7:
Definition
10 …………….. basic
Term
Condensation synthesis is a reaction which:
Definition
combines chemicals with the loss of water
Term
The term “mole”, as is referred to in the definition of pH and I also mentioned in ATP production, is this number:
Definition
6.023 x 1023
Term
When we work our muscles beyond their ability to capture oxygen for burning glucose, the muscle cells resort to
Definition
Fermentation
Term
In the process referred to in the above question, pyruvate is transformed into:
Definition
Lactic Acid
Term
Of the 4 steps in Cellular Respiration, the one that releases the most ATP is:
Definition
Electron Transport System
Term
A common buffer in living organisms:
Definition
Bicarbonate
Term
A hypothesis is:
Definition
Plausible, testable answer
Term
The specialized bonds between N and C in a protein is called:
Definition
peptide
Term
Sodium Chloride (table salt) disassociates in water to form Na+ and Cl- ions indicating that it has:
Definition
Ionic bonds
Term
Energy for living organisms is primarily derived from “burning”:
Definition
Carbohydrates
Term
Of the ____ amino acids that our body needs, ___ of them are termed “essential” that we must acquire in our food.
Definition
20 ----- 8
Term
Which portion of water is slightly positive?
Definition
Hydrogen
Term
The smallest unit of matter that maintains the qualities of a given chemical is:
Definition
atom
Term
The branched polymer composed of multiple glucose molecules that is used for storage in animal liver is:
Definition
Glycogen
Term
Phospholipids have:
Definition
Both a hydrophylic and a hydrophobic end
Term
Steroids, such as cholesterol, estrogen, and testosterone belong to the group of chemicals:
Definition
Lipids
Term
Amino Acids consist of:
Definition
An acidic group, an amino group, and a “remainder” group
Term
The type of molecule that reduces the energy of activation and thus allows our bodies to “burn” glucose to release energy is:
Definition
Enzyme
Term
Enzymes belong to the chemical category of:
Definition
Proteins
Term
Enzymes and substrates are said to go together like a lock and key. This indicates
Definition
Enzyme Specificity
Term
The tiny sparks of energy given off during cellular respiration is captured only briefly in the high energy bond of the “energy currency” molecule
Definition
ATP (Adenosine Tri Phosphate)
Term
Nucleic acids include
Definition
ATP, DNA, and RNA
Term
If you consider a division of labor in the cell, the brains of the cell would be the:
Definition
Nucleus
Term
The cytoplasmic organelle that serves as the powerhouse of the cell
Definition
Mitochondria
Term
The “packaging and shipping center” of the cell is the:
Definition
Golgi Apparatus
Term
Movement of particles “with the gradient” (from high to low concentration) and requiring no energy is:
Definition
Diffusion
Term
The type of transport that goes against the gradient and requires energy is:
Definition
Active transport
Term
The type of molecule that serves as a catalyst and reduces the energy of activation for a reaction is:
Definition
Enzyme
Term
Enzymes “fit” the substrates for particular reaction much as:
Definition
A lock fits a key
Term
All energy ultimately comes from:
Definition
The sun
Term
The aerobic process that releases energy by burning glucose is:
Definition
Cellular Respiration
Term
One of the 4 sub-pathways of Cellular Respiration also produces substrates used by Fermentation. That pathway is:
Definition
Glycolysis
Term
The cellular process in plants that is basically the reverse of cellular respiration is
Definition
Photosynthesis
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