The first enzymatic step in making a cDNA uses
A) Taq polymerase.
B) DNA polymerase.
C) RNA polymerase.
D) reverse transcriptase.

Question

Quizplus · Accepted Answer

The first enzymatic step in making a cDNA uses reverse transcriptase, which converts RNA into cDNA. Taq polymerase and DNA polymerase are involved in PCR (polymerase chain reaction), not cDNA synthesis. RNA polymerase is involved in transcription, not cDNA synthesis.

The First Enzymatic Step in Making a CDNA Uses