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BIOLOGY FINAL
biology final exam fashcards
17
Biology
Undergraduate 1
12/03/2010

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Term

 

 

Adenosine Diphosphate

 

 

Definition
A molecule that remains after ATP has been used to drive an endergonic reaction.
Term
Endergonic Reaction
Definition
A chemical reaction where the standard change in free energy is positive. Energy is then absorbed.
Term
Osmosis
Definition
Where molecules move from an area of higher concentration to a lower concentration across differentially permeable membranes.
Term
Centrioles
Definition
Pairs of microtubular structures found in the cytoplasm of animal cells that play a role in cell division.
Term
Metabolic Pathways
Definition
Chains of reactions that move, store and release energy.
Term
Diffusion
Definition
A net movement of molecules from a region of higher concentration to a region of lower concentration. 
Term
Kinetic Energy
Definition
Energy that is actively doing work.
Term
Negative Feedback
Definition
A feedback loop in which the change takes place is opposite to the condition that prompted the change.
Term
Adenosine Triphosphate (ATP)
Definition
Primary molecule used by cells to capture energy and later release it during chemical reactions. 
Term
Chlorophyll
Definition
Primary light gatherer in all plants and algae and in almost all photosynthetic reactions.
Term
Entropy 
Definition
Measure of the disorder of a system.
Term
What is the sequence for monosaccharide, disaccharide & polysaccharide?
Definition
fructose; sucrose; starch.
Term
What structure allows many bacteria to be motile?
Definition
Flagellum.
Term
What is Energy?
Definition
the ability to do work.
Term
Two types of Energy
Definition
Potential & Kenetic
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