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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?

H2O
ATP
AMP
ADP

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Enzyme Reaction
A substrate binds to its enzyme at a location called the __________ site.

polypeptide
coenzyme
active
substrate

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Enzyme Reaction
The ability of Vibrio fischeri to convert chemical energy directly into radiant energy in bioluminescence is an example of __________ at work.

the first law of thermodynamics
Shelford's law of tolerance
Leibig's law of the minimum
the third law of thermodynamics

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

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

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Enzyme Reaction
Anthranilate synthase, the first enzyme of tryptophan biosynthesis after the branch point shows feedback inhibition and repression due to

D-L-tryptophan hydantoin
pyruvate
L-serine
L-tryptophan

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Enzyme Reaction
The fact that β-oxidation of fatty acids, occurs in the mitochondria whereas fatty acid synthesis occurs in the cytoplasmic matrix, is an example of regulation of enzymatic activity by the __________ mechanism.

competitive inhibition
induction
repression
compartmentation

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