Consider a biochemical pathway with five steps that lead to the production of product Q. If there is an abundance of product Q, the most efficient way to slow down the entire pathway would be to regulate ________.
A. every enzyme in the pathway
B. the last enzyme in the pathway
C. the first enzyme in the pathway
Answer: C
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When you exhale what stage(s) of aerobic cellular respiration is producing the carbon dioxide you are breathing out?