Mercury is toxic because it_____________?
Correct answer: D. Binds to sulfhydryl groups
- A. Complexes with hemoglobinto form methemoglobin
- B. Inhibits hemoglobin synthesis, producing anemia
- C. Inhibits anaerobic glycolysis
- D. Binds to sulfhydryl groups
Explanation
Mercury is toxic mainly because it binds to sulfhydryl groups on enzymes and proteins, disrupting cellular metabolism. Its toxicity is therefore not primarily due to methemoglobin formation or inhibition of anaerobic glycolysis.
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