This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
[{'content': '"All enzymes are not proteins." This statement is justified by: \nSelect and explain. \nA. All enzymes do not follow the Michaelis Menton hypothesis, B. RNAs act as ribozymes, C. Antibodies take pa in the catalysis of many reactions, D. Metals are involved in attachment to enzymes and catalysts', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ribozymes are RNA molecules with catalytic activities, which acts upon phosphodiester bonds in RNA & cause its hydrolysis lintron splicing event. RNAs are not protein, but meet all the classic criteria of enzymes therefore all enzymes are not protein', 'role': 'assistant'}]