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Enzymes
Enzymes
13
Biology
Undergraduate 1
10/22/2008

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Term
oxidoreductases
Definition
catalyzes oxidation and reduction reactions
Term
transferases
Definition
catalyzes transfer of functional groups from donor molecule to acceptor molecule
Term
hydrolases
Definition
catalyzes hydrolysis reactions
Term
isomerases
Definition
catalyzes one molecule to another isomeric form
Term
ligases
Definition
catalyzes two molecules to produce ATP
Term
lyases
Definition
catalyze reactions in which double bonds form or break.
Term
Enzymes need what to be active?
Definition
cofactor + apoenzyme
Term
organic coenzymes.... what are they mostly
Definition
A,NADH,NADPH,FADH,ATP
- most are vitamins
many act as transfer agents
Term
Feedback Inhibition
Definition
the amount of enzyme produced will control the reaction
Term
Allosteric sites
Definition
other sites on an enzyme in which a allosteric receptors may bind
Term
Reversible inhibition
Definition
after inhibitor has left, enzymes take original form (competitive and non competitive)
Term
irreversible inhibitors
Definition
permanently bind to and deactivate enzymes
Term
induced fit model
Definition
when bonded to the substrate, the enzyme makes a better fit than before it was bonded
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