Enzyme Reaction Questions

If the free energy change (ΔG) in a reaction is a negative value, it indicates that the
Oxidation is the
An enzyme that is always produced, regardless of the presence of substrates or the end products, is called
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.
About 7.3 kcal/mole are released when
In the reaction, C6H12O6 + 6O2 → 6CO2 + 6H2O + energy, which component is being reduced?
The ability of FADH to be oxidized is __________ than the ability of FAD to be oxidized.
A substrate binds to its enzyme at a location called the __________ site.
Which of the following is the best evidence for the lock and key theory of enzyme action?
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.
Hydrogen and oxygen release enormous amounts of energy when they react. Yet, hydrogen and oxygen can be mixed together in a balloon and nothing will happen. Why?
The ability of Vibrio fischeri to convert chemical energy directly into radiant energy in bioluminescence is an example of __________ at work.
Reduction is the
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.
Anthranilate synthase, the first enzyme of tryptophan biosynthesis after the branch point shows feedback inhibition and repression due to
If the Keq for an enzymatic reaction is greater than 1, the reaction
In the reaction, C6H12O6+ 6O2 → 6CO2 + 6H2O + energy, which component is being oxidized?
An endergonic reaction is one that
An exergonic reaction is one that
To a living organism, which of the following has the greatest amount of available energy per molecule?

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