Ribozymes Are RNA Molecules That Have Enzymatic Activity

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.