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13 Cards in this Set
- Front
- Back
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what are the four important properties of an enzyme
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high catalytic rates
hgh degree of substrate specificity negligible formation of side products capacity for regulation |
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definition. specific part of an enzyme that is directly responsible for catalysis
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active iste
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def. small molecule needed to enable an enzyme to function
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coenzyme
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definition. highly reactive sepcies with at least one unpaired electron
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free radical
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definintion. a quantum mechanical process in which a particle passes through an energy barrier instead of over it
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quantum tunneling
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what are some ways that cells regulate enzymes
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genetic control
covalent modification interconsrsion allosteric regualtion compartmentalization |
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what are some reasons that regulation of biochem processes is improtant
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maintenance of an ordered state
conservation of energy responsiveness to environemtnal cues |
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definition. an enzyme that catalyzes an addition or leimination reaction adding a moelcule acrsos a double bond or removing a moelcuyle to form a doubl ebond
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lyase
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an enzyme that catalyzes the joining of two molecules often usting ATP for energy
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ligase
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defintion. an organic nolecule required by organisms in minute quantities; some vitamines are coenzymes required for the function of cellular enzymes
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vitamin
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definition. the non protein component of an enzyme required for catalysis
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cofactor
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definition. the protein portion of an enzyme that requires a cofactor to function in catalysis
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apoenzyme
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which aa can function as either an acid or a base
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his
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