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Enzyme Reaction

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

C6H12O6
CO2
O2
H2O

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Enzyme Reaction
If the free energy change (ΔG) in a reaction is a negative value, it indicates that the

reaction absorbs energy
reaction is in negative direction
reaction is in positive direction
reaction releases energy

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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.

induction
compartmentation
competitive inhibition
repression

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Enzyme Reaction
Reduction is the

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

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Enzyme Reaction
An endergonic reaction is one that

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

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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.

greater
half
approximately equal
lesser

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