Which of the following provides some evidence that RNA probably evolved before DNA?
A) RNA polymerase uses DNA as a template.
B) RNA polymerase makes a single-stranded molecule.
C) RNA polymerase does not require localized unwinding of the DNA.
D) DNA polymerase uses primer, usually made of RNA.
E) DNA polymerase has proofreading function.

Question

Quizplus · Accepted Answer

DNA polymerase using an RNA primer suggests that RNA was used as a genetic material before DNA, indicating RNA's primordial role in the evolution of life.

Which of the Following Provides Some Evidence That RNA Probably