Hypothetically, If Free Electrons Existed in Sufficient Numbers for Enzymes

question 70

Multiple Choice

Hypothetically, if free electrons existed in sufficient numbers for enzymes to use in metabolic reactions

• A) a higher diversity of cytochromes would likely be observed.
• B) cytochromes would be unnecessary for cells and quinones would be more important.
• C) Q-cycle reactions would no longer be necessary for electron transport, but the proton motive force would otherwise be unchanged.
• D) most metabolic pathways for both anabolism and catabolism would have to be rewritten.

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