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Which of the following statements about enzymes is wrong?

1. Enzymes require optimum pH and temperature for maximum activity
2. Enzymes are denatured at high temperatures
3. Enzymes are mostly proteins but some are lipids also
4. Enzymes are highly specific

Correct answer: Enzymes are mostly proteins but some are lipids also

Solution

The wrong statement is the one claiming enzymes are lipids. Enzymes are generally proteins, and a few are RNA molecules (ribozymes), but lipids do not function as enzymes.

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