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Enzyme Reaction

Enzyme Reaction
Reduction is the

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

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

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

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Enzyme Reaction
The ability of a competitive inhibitor to bind to an active site in an allosterically controlled enzyme is __________ than the ability of a non-competitive inhibitor to bind to an active site in the same allosterically controlled enzyme.

approximately equal
greater
half
lesser

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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.

repression
compartmentation
competitive inhibition
induction

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Enzyme Reaction
About 7.3 kcal/mole are released when

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

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Enzyme Reaction
An exergonic reaction is one that

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

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