biology campbell

33 cards

the cards are for biology they are real helpful 


 
  
Created Oct 31, 2009
by
yeshakpatel

 

 
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1
The amount of energy that reactants must absorb before a chemical reaction will start.
 
activation energy
2
The specific portion of an enzyme that attaches to the substrate by means of weak chemical...
 
active site
3
A specific receptor site on some part of an enzyme molecule remote from the active site.
 
allosteric site
4
A metabolic pathway that synthesizes a complex molecule from simpler compounds.
 
anabolic pathway 
5
An adenine-containing nucleoside triphosphate that releases free energy when its phosphate...
 
ATP (adenosine triphosphate)
6
The study of how organisms manage their energy resources.
 
bioenergetics 
7
A metabolic pathway that releases energy by breaking down complex molecules to simpler compounds.
 
catabolic pathway
8
A chemical agent that changes the rate of a reaction without being consumed by the reaction.
 
catalyst 
9

Energy stored in the chemical bonds of molecules; a form of potential energy.

 
chemical energy
10

A substance that reduces the activity of an enzyme by entering the active site in place...

 
competitive inhibitor
11
An interaction of the constituent subunits of a protein whereby a conformational change in...
 
cooperativity
12
A nonspontaneous chemical reaction in which free energy is absorbed from the surroundings.
 
endergonic reaction
13
In cellular metabolism, the use of energy released from an exergonic reaction to drive an endergonic...
 
energy coupling
14
The capacity to do work (to move matter against an opposing force).
 
energy
15
A quantitative measure of disorder or randomness, symbolized by S
 
entropy
16
A spontaneous chemical reaction in which there is a net release of free energy.
 
exergonic reaction
17
A method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor...
 
feedback inhibition
18

The principle of conservation of energy. Energy can be transferred and transformed,...

 
first law of thermodynamics 
19
http://www.proprofs.com/flashcards/cards.php?id=48113 
 
free energy of activation
20

The portion of a system's energy that can perform work when temperature is uniform...

 
http://www.proprofs.com/flashcards/cards.php?id=48113
21

The change in shape of the active site of an enzyme so that it binds more snugly to...

 
http://www.proprofs.com/flashcards/cards.php?id=48113induced fit 
22
The energy of motion, which is directly related to the speed of that motion. Moving matter...
 
kinetic energy
23
The totality of an organism's chemical reactions, consisting of catabolic and anabolic p
 
metabolism
24
A substance that reduces the activity of an enzyme by binding to a location remote from the...
 
noncompetitive inhibitor
25

A molecule that has been the recipient 

of a phosphate group.

 
phosphorylated
26
The energy stored by matter as a result of its location or spatial arrangement.
 
potential energy
27
The principle whereby every energy transfer or transformation increases the entropy of the...
 
second law of thermodynamics
28
The reactant on which an enzyme works.
 
http://www.proprofs.com/flashcards/cards.php?id=48113substrate 
29

(1) The study of energy transformations that occur in a collection of matter. See first...

 
thermodynamics
30
 A globular protein that links into chains, two of which twist helically about each other,...
 
actin
31

A eukaryotic cell organelle consisting of a 9 + 0 

arrangement of microtubule...

 
basal body
32
The disruption of a cell and separation of its organelles by centrifugation.
 
cell fractionation
33

A protective layer external to the plasma membrane in plant cells, bacteria, fungi, and...

 
cell wall

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