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a & p 8
enymes
7
Biology
Undergraduate 1
01/23/2013

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Term
enzymes
Definition
-grobular protein
-increases rate of chemical reaction
-enzymes are specific
-they are catalysts to enable reactions to occur without themselves being changed
-work by lowering ativation energy of reaction
Term
lock and key
Definition
shapes of enzyme active site allows a specific substrate to fit
-has active site where enzyme bonds to substrate
Term
mechanism of enzyme activity
Definition
Term
cofactors
Definition
-elements or molecules (vitamins)
-needed for some enzymes to function
-may form bridge between enyme and substrate or provide proper arrangement for active site
Term
competitive inhibitors
Definition
Term
noncompetitive inhibitors
Definition
Term
denaturation
Definition
-change in temperature
-change in PH: some require specific Ph
-breaks H bonds
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