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Enzyme Reaction

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

lesser
approximately equal
greater
half

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Enzyme Reaction
An endergonic reaction is one that

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

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

C6H12O6
CO2
H2O
O2

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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
Anthranilate synthase, the first enzyme of tryptophan biosynthesis after the branch point shows feedback inhibition and repression due to

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

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Enzyme Reaction
About 7.3 kcal/mole are released when

glucose is converted to CO2 and H2O
NAD+ is reduced to NADH
ATP hydrolysis is coupled to sucrose synthesis
the terminal phosphate bond of ATP is broken by hydrolysis

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