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Enzyme Reaction

Enzyme Reaction
To a living organism, which of the following has the greatest amount of available energy per molecule?

ADP
ATP
AMP
H2O

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Enzyme Reaction
The affinity of an enzyme for its substrate, when the enzyme has a Km of 0.50 M will be __________ than the affinity of an enzyme for its substrate when the enzyme has a Km of 0.05 M.

lesser
approximately equal
half
greater

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Enzyme Reaction
An enzyme that is always produced, regardless of the presence of substrates or the end products, is called

an allosteric enzyme
an isoenzyme
a constitutive enzyme
a repressible enzyme

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Enzyme Reaction
If the Keq for an enzymatic reaction is greater than 1, the reaction

none of these
can not occur without the input of energy
both (a) and (b)
will be endergonic

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Enzyme Reaction
An endergonic reaction is one that

looses energy
releases energy for work
requires energy in order to proceed
gives off much heat

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Enzyme Reaction
The ability of FADH to be oxidized is __________ than the ability of FAD to be oxidized.

approximately equal
half
lesser
greater

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