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What is a primary function of cytochrome P-450 enzymes?

To enable muscular contraction

To transport oxygen in the bloodstream

To metabolize toxic substances

Cytochrome P-450 enzymes are responsible for metabolizing (breaking down) toxic substances in our body. They are found in high amounts in the liver, but also in other tissues. Option A is incorrect because muscular contraction is not a function of these enzymes. Option B is incorrect because transporting oxygen is the responsibility of other proteins in the bloodstream, like hemoglobin. Option D is incorrect because synthesizing DNA is a function of other enzymes, like DNA polymerases.

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To synthesize DNA

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