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

A. Shelford’s law of tolerance
B. Leibig’s law of the minimum
C. the first law of thermodynamics
D. the third law of thermodynamics


Correct Answer: C. the first law of thermodynamics

2. 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.

A. greater
B. lesser
C. approximately equal
D. half


Correct Answer: A. greater

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

A. greater
B. lesser
C. approximately equal
D. half


Correct Answer: A. greater

4. An endergonic reaction is one that

A. requires energy in order to proceed
B. releases energy for work
C. gives off much heat
D. loses energy


Correct Answer: A. requires energy in order to proceed

5. Reduction is the

A. loss of proton
B. gain of electron
C. loss of electron
D. gain of protons


Correct Answer: B. gain of electron

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