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general biology
N/A
40
Biology
Undergraduate 1
02/09/2011

Additional Biology Flashcards

 


 

Cards

Term
Biological Literacy
Definition
The ability to (1) use the process of scientific inquiry to think creatively about real-world issues that have a biological component (2) communicate these thoughts to others and (3) integrate these ides into your decision making
Term
Scientific Method
Definition
The process of examination and discovery
Term
Superstition
Definition
The irrational belief that actions that are not logically related to a course of events can influence its outcome
Term
Empirical
Definition
Based on experience and observations that are rational, testable, and repeatable
Term
Scientific Method
Definition

1. Make Observations

2. Formulate a hypothesis

3. Devise a testable prediction

4. Conduct a critical experiment

5. Draw conclusions and make revisions

 

Term
Hypothesis
Definition
A proposed explanation for observed phenomena
Term
Null Hypothesis
Definition
A hypothesis that states a lack of relationship between two factors
Term
Critical Experiment
Definition
an experiment that makes it possible to decisively determine whether a particular hypothesis is correct
Term
placebo
Definition
people respond favorably to any treatment
Term
Theory
Definition
An explanatory hypothesis for natural phenomena that is exceptionally well supported by the empicrical data
Term
Controlling Variables
Definition
The most important feature of a good experiment
Term
Blind experimental design
Definition
The experimental subjects do not know which treatment they are receiving
Term
Double-blind experiment
Definition
Neither the experimental subjects nor the experimenter knows which treatment the subject is receiving
Term
Statistics
Definition
A set of analytical and mathmatical tools designes to help researches gain understanding from the data they gather
Term
Positive Correlation
Definition
Meaning that when one variable increases, so does the other
Term
Pseudoscience
Definition
Individuals make scientific sounding claims that are not supported by trustworthy, methodical scientific studies
Term
Anecdotal Observations
Definition
Bases on only one or a few observations, people conclude that there is or is not a link between two things
Term
Element
Definition
A substance that cannot be broken down chemically into any other substances
Term
Electrons
Definition
negatively charged particles
Term
Nucleus
Definition
Center of Atom
Term
Protons
Definition
particles that have a positive charge
Term
neutrons
Definition
particles that have no electrical charge
Term
Ion
Definition
An atom that is charged
Term
Covalent Bonds
Definition
Strong bonds formed when two atoms share electrons
Term
Ionic Bonds
Definition
One atom transfers one or more of its electrons completely to another
Term
Hydrogen Bonds
Definition
formed between a hydrogen atom in one molucule and another atom in another molecule
Term
Properties of Water
Definition

1. cohesion

2.large heat capacity

3. low density as a solid

4. good solvent

Term
pH scale
Definition
how acidic or basic a fluid is
Term
Acids
Definition
Any fluid below 7.0
Term
Bases
Definition
Any fluid above 7.0
Term
Four types of macromolecules
Definition

1. Carbohydrates

2. Lipids

3. Proteins

4. Nucleic Acids

Term
Carbohydrates
Definition

- C, H, and O

-Primary fuel for organisms

-Cell structure

 

Term
Monosaccharides
Definition

Made of 3-7 carbon atoms

-two common monosaccharides are glucose and fructose

Term
Polysaccharide
Definition
Contains more than one sugar unit or building block
Term
Disaccharide
Definition
Two simple sugars can be joined together to make this
Term
Starch
Definition

- energy can be stored in this complex carbohudrate

-consist of 100 or more glucose molecules joined together in a line

Term
Cellulose
Definition
Plant structure
Term
Hydropobic
Definition
"water-fearing"
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