Question

Three of the following statements about enzymes are correct and one is wrong. Pick the wrong one.

• A. Most enzymes are proteins but some are lipids.
• B. Enzymes require optimum pH for maximal activity.
• C. Enzymes are denatured at high temperature, but in certain exceptional organisms, they are effective even at temperatures of 80°-90°C.
• D. Enzymes are highly specific.

Answer 1

The correct option is A

Most enzymes are proteins but some are lipids.

All enzymes are proteins. They may be simple proteins or proteins conjugated with cofactors like mineral ions.