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Acetaminophen, marketed as Tylenol, inhibits which enzyme?

AHMG-CoA reductase
BCyclooxygenase
CDNA polymerase
DATP synthase
Answer & Solution
Correct answer: B. Cyclooxygenase
1. Acetaminophen, popularly marketed under the brand name Tylenol, is an inhibitor of the enzyme cyclooxygenase. 2. It is effective in providing relief from fever and inflammation. 3. Even so, its mechanism of action is still not completely understood. 4. HMG-CoA reductase is the statin target, and DNA polymerase and ATP synthase are unrelated to this drug. _Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 6 "Metabolism", section 6.5 Enzymes_
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