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Which of the following statements about enzymes is not true?A. all enzymes are used up with each completed reaction B. Enzymes are proteins C. Enzymes are organic catalystsD.enzymes work best at a specific pH

Sagot :

A - False, enzymes can be used in several reactions before being degraded.

B - True, the big majority of enzymes are proteins, even though a few enzymes are made of ARN, that are called ribozymes.

C - True.

D - True. Enzymes have optimal conditions of pH and temperature that allow their best functioning.

Answer: The statement that is not true is A.