Ribozymes Are RNA Molecules That Have Enzymatic Activity

question 12

Multiple Choice

Ribozymes are RNA molecules that have enzymatic activity.This conflicts with the belief of early molecular biologists that

• A) the flow of information in gene expression goes in one direction.
• B) the flow of information in gene expression goes in both directions.
• C) DNA information can be propagated into information in proteins, but information in proteins cannot be propagated into information in DNA.
• D) each enzyme is a polypeptide.
• E) each enzyme was encoded by one gene.

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