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Enzyme Reaction

Enzyme Reaction
Adenosine triphosphate is a type of

steroid
amino acid
nucleotide
fatty acid

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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
induction
repression
compartmentation

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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 isoenzyme
a constitutive enzyme
an allosteric enzyme
a repressible enzyme

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Enzyme Reaction
The ability of Vibrio fischeri to convert chemical energy directly into radiant energy in bioluminescence is an example of __________ at work.

Leibig's law of the minimum
the third law of thermodynamics
Shelford's law of tolerance
the first law of thermodynamics

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Enzyme Reaction
About 7.3 kcal/mole are released when

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

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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

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

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