reverse transcriptase ______

名词解释：reverse transcriptase

Reverse transcriptase is an RNA-dependent DNA polymerase.

The enzyme used in the polymerase chain reaction is ( ) A: restriction endonuclease B: reverse transcriptase C: DNA polymerase D: RNA polymerase

Which of the following reactions cannot be catalyzed by reverse transcriptase?() A: RNA→RNA-DNA B: RNA-DNA→DNA C: DNA→DNA-DNA D: DNA→RNA

Reverse transcriptase catalyses: A: Synthesis of RNA from DNA B: Breakdown of RNA C: Synthesis of DNA from RNA D: Breakdown of DNA

Reverse transcriptase A: has 5ˊ → 3ˊ polymerase activity B: has 3ˊ → 5ˊ exonuclease activity C: is an RNA-dependent DNA polymerase D: is a DNA-dependent DNA polymerase