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Unit 3
Metabolism, Microbial Genetics, Control of microbial Growth
10
Biology
Undergraduate 2
07/07/2013

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Term
+
Definition
Enzyme component
-protein part
Term
Cofactor
Definition
Enzyme component
-non-protein part that binds to activate the enzyme
Term
Coenzymes
Definition
-organic cofactors
(NAD+,FAD, CoA, NADP+)
Term
Coenzymes (Electron Carriers)
Definition
NAD+ (oxidized form) --->NADH (reduced)
FAD -----> FADH2
NADP+ -----> NADPH
Term
Holoenzyme
Definition
Enzyme Component
-whole enzyme with active site
(binds specific shape= lock and key)
Term
Activation Energy
Definition
collision energy required for chem rxns. to occur
Term
Turnover Number
Definition
The number of substrates converted to products per sec. per enzyme under optimum conditions
Term
Factors Influencing Enzyme Activity
Definition
Temp, ph, substrate concentration and inhibitors
Term
Competitive inhibitor
Definition
binds to active site on enzyme then prevents substate from binding
Term
Non competitive inhibitor
Definition
binds to allosteric site then alters active site which prevents substrate from binding
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