Beadle and Tatum proposed the one-gene, one-enzyme hypothesis. Why did this hypothesis have to be modified?
A) Some RNAs have catalytic activity.
B) Not all proteins are enzymes.
C) Some enzymes are made up of more than one polypeptide.
D) Not all genes code for enzymes.
E) Not all enzymes are coded for by genes.
Correct Answer:
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