Multiple Choice
If the hypothesis that protocells arose in a "RNA world" is correct, which of the following would be necessary to shift to a "DNA world"?
A) an enzyme or reaction capable of converting ribose to deoxyribose in nucleotides
B) enzymes for reverse transcription of RNA into DNA
C) new enzymes to replicate the DNA
D) new enzymes for transcribing DNA back to RNA
E) All of the answer choices list enzymes that would be necessary for a shift from an RNA world to a DNA world.
Correct Answer:

Verified
Correct Answer:
Verified
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