The enzyme used in the polymerase chain reaction is ( )
A: restriction endonuclease
B: reverse transcriptase
C: DNA polymerase
D: RNA polymerase
A: restriction endonuclease
B: reverse transcriptase
C: DNA polymerase
D: RNA polymerase
举一反三
- 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
- Using the DNA template in a process called _______ RNA is synthesized utilizing which enzyme? A: translation, RNA polymerase B: transcription, DNA polymerase C: transcription, RNA polymerase D: replication, DNA polymerase
- The polymerase which is used in DNA replication is ( ) A: DNA-dependent RNA polymerase B: DNA-dependent DNA polymerase C: RNA-dependent RNA polymerase D: RNA-dependent DNA polymerase E: none of above
- The correct statement about RNA polymerase and DNA polymerase is (1 point) A: Synthesis of polynucleotide chain using nucleoside diphosphate B: RNA polymerase requires primers and bases are added at the 5′-end of the extended polynucleotide chain C: DNA polymerase can only synthesize DNA using RNA as a template D: DNA polymerase can add nucleotides on both ends of a chain at the same time E: , DNA polymerase and RNA polymerase can catalyze the formation of 3',5'-phosphodiester bond
- In the following descriptions of DNA polymerase and RNA polymerase, the error is: ( ) A: RNA polymerase requires primers B: DNA polymerase can synthesize DNA using RNA as a template C: The extension direction of the new chain catalyzed by both enzymes is 5'-3'. D: RNA polymerase uses NDP as raw material.