Biochemistry All enzymes are not proteins. This statement is justified by A All enzymes do not follow the Michaelis Menton hypothesis B RNAs act as ribozymes C Antibodies take part in the catalysis of many reactions D Metals are involved in attachment to enzymes and catalysts 💡 Explanation All enzymes are not proteins. This statement is justified by ✓ Correct Answer: B. RNAs act as ribozymes