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BIOL - 161 Vocab Ch 6
Vocabulary Chapter 6
20
Biology
Undergraduate 2
12/04/2011

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Term
Potential energy
Definition
the stored form of energy
Term
Kinetic energy
Definition
the active form of energy
Term
Cofactor
Definition
an inorganic chemical that assists an enzyme
Term
Endergonic reaction
Definition
a reaction in which energy is released
Term
Exergonic reaction
Definition
a reaction in which the products have more energy than the reactants
Term
Activation energy
Definition
energy required to start a chemical reaction
Term
Substrate
Definition
this binds specifically to an enzyme
Term
First law of thermodynamics
Definition
"energy can neither be created nor destroyed"
Term
Catabolic pathway
Definition
series of reactions in which a complex molecule is made into simpler ones
Term
Anabolic pathway
Definition
series of reactions in which simple molecules are made into a complex one
Term
Oxidation reaction
Definition
this reaction involved the loss of an electron
Term
Reduction reaction
Definition
this reaction involves gaining an electron
Term
ATP
Definition
a nucleotide which supplies energy to chemical reactions
Term
Active site
Definition
the location of substrate binding
Term
NADPH
Definition
reserves of this constitute "reducing power"
Term
Entropy
Definition
a measure of disorder
Term
Feedback inhibition
Definition
an increase in product decreases its own production
Term
Enzyme
Definition
an organic catalyst
Term
Protein kinase
Definition
an enzyme involved in regulating other enzymes
Term
Coupled reactions
Definition
ATP hydrolysis and an endergonic reaction, for example
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