Essay
Cytochrome c can be reduced directly by small molecules such as ascorbate (vitamin C). If ascorbate is added to the following preparations of mitochondria (which include succinate and oxygen), what would you predict would be the effect on oxygen consumption in each case, and why?
a. mitochondria that have been treated with oligomycin
b. mitochondria that have been treated with cyanide
c. mitochondria that have been treated with rotenone
d. mitochondria that have been treated with antimycin A
Correct Answer:

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