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
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
举一反三
- DNA polymerase Ⅲ has a 5’→3’exonuclease activity
- DNA polymerase Ⅲ has a 5’→3’exonuclease activity A: 正确 B: 错误
- 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 5'→3' exonuclease activity of intact DNA polymerase I can replace a segment of DNA (or RNA) paired to the template strand, in a process known as ____________________.
- The enzyme used in the polymerase chain reaction is ( ) A: restriction endonuclease B: reverse transcriptase C: DNA polymerase D: RNA polymerase