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Enzyme Reaction

Enzyme Reaction
Oxidation is the

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

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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
compartmentation
induction
repression

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

a constitutive enzyme
a repressible enzyme
an allosteric enzyme
an isoenzyme

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

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

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

substrate
active
polypeptide
coenzyme

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

CO2
O2
H2O
Energy

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