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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?

ATP
AMP
ADP
H2O

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Enzyme Reaction
Reduction is the

gain of electron
loss of electron
loss of proton
gain of protons

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Enzyme Reaction
If the free energy change (ΔG) in a reaction is a negative value, it indicates that the

reaction is in negative direction
reaction releases energy
reaction is in positive direction
reaction absorbs 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

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

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Enzyme Reaction
In the reaction, C6H12O6 + 6O2 → 6CO2 + 6H2O + energy, which component is being reduced?

O2
CO2
H2O
Energy

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

active
substrate
coenzyme
polypeptide

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