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Enzyme Reaction

Enzyme Reaction
Oxidation is the

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

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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 constitutive enzyme
a repressible enzyme
an isoenzyme

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Enzyme Reaction
The ability of CTP to bind to aspartate carbamoyltransferase and shut down the synthesis of more CTP is an example of

enzyme repression
enzyme induction
none of these
feedback inhibition of enzyme activity

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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 is in positive direction
reaction releases energy
reaction absorbs energy

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Enzyme Reaction
Denaturation of an enzyme refers to the

loss of the enzymes proper shape
formation of the enzymes proper shape
improper arrangement of the enzyme in a metabolic pathway
formation of a new isozyme for that enzyme

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

active
substrate
polypeptide
coenzyme

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MORE MCQ ON Enzyme Reaction

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