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Enzyme Reaction

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

approximately equal
half
greater
lesser

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Enzyme Reaction
An endergonic reaction is one that

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

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

an allosteric enzyme
a repressible enzyme
a constitutive enzyme
an isoenzyme

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

H2O
AMP
ATP
ADP

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Enzyme Reaction
The ability of a competitive inhibitor to bind to an active site in an allosterically controlled enzyme is __________ than the ability of a non-competitive inhibitor to bind to an active site in the same allosterically controlled enzyme.

approximately equal
greater
lesser
half

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