A: DNA ligase
B: DNA polymerase
C: RNA polymerase
D: reverse transcript
举一反三
- 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
- In<br/>E.coli, the RNA primer at the beginning of each Okazaki fragment is is removed by 。 A: DNA polymerase B: DNA polymerase I C: DNA polymerase II D: 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 gap generated by hydrolysis of mismatch site in replication can be repaired by DNA polymerase I in E. coli.()
- Both DNA polymerase and RNA polymerase are needed in DNA replication process.()
内容
- 0
Both DNA polymerase and RNA polymerase are needed in DNA replication process. A: 正确 B: 错误
- 1
The gap generated by hydrolysis of mismatch site in replication can be repaired by DNA polymerase I in E. coli. A: 正确 B: 错误
- 2
DNA replication requires: (1) DNA polymerase III, (2) helicase, (3) DNA polymerase I, (4) DNA-directed RNA polymerase, (5) DNA ligase, the correct order of their participation is: A: 2,3,4,1,5 B: 4,2,1,5,3 C: 4,2,1,3,5 D: 2,4,1,3,5
- 3
Through their experiments with DNA from the bacterium Escherichia coli, Meselson and Stahl showed that DNA replication is A: conservative.； B: dispersive； C: duplicative.； D: semi-conservative
- 4
What is the function of RNA primer during DNA replication? A: to provide a 3’ OH group for DNA polymerase B: to provide a 5’ OH group for DNA polymerase C: to provide a 3’ phosphate group for DNA polymerase D: to provide a 5’ phosphate group for DNA polymerase E: to provide a hydrogen bond for double strand of DNA .