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Enzyme Reaction

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

O2
Energy
H2O
CO2

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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
pyruvate
D-L-tryptophan hydantoin

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Enzyme Reaction
Adenosine triphosphate is a type of

nucleotide
steroid
amino acid
fatty acid

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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
an isoenzyme
an allosteric enzyme
a repressible enzyme

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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

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

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Enzyme Reaction
The affinity of an enzyme for its substrate, when the enzyme has a Km of 0.50 M will be __________ than the affinity of an enzyme for its substrate when the enzyme has a Km of 0.05 M.

lesser
greater
half
approximately equal

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