BIO NMDCAT ENZYMES
nmdcat.online July 11, 2026

Regarding the chemical nature of an enzyme, the most accurate statement is that

A. All enzymes are simple proteins
B. The catalytic activity of some enzymes is inherent in their RNA component
C. Enzymes are exclusively multimeric proteins
D. The catalytic site of any enzyme requires a specific lipid prosthetic group

📝 Explanation

The discovery of ribozymes (RNA catalysts) disproved the long-held belief that all enzymes are proteins.

📖 Additional Information

  • All enzymes are simple proteins
  • The catalytic activity of some enzymes is inherent in their RNA component
  • Enzymes are exclusively multimeric proteins
  • The catalytic site of any enzyme requires a specific lipid prosthetic group

The discovery of ribozymes (RNA catalysts) disproved the long-held belief that all enzymes are proteins.

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