Which of the following statements about DNA polymerase III is NOT true:
A: Deoxyribonucleotide are connected to 5’ hydroxyl of synthesized DNA by DNA pol III
B: Requires four kinds of 5’-dNTP
C: To catalyze deoxyribonucleotide connected to 3’ terminal of RNA primer
D: Pyrophosphate is one of the product
A: Deoxyribonucleotide are connected to 5’ hydroxyl of synthesized DNA by DNA pol III
B: Requires four kinds of 5’-dNTP
C: To catalyze deoxyribonucleotide connected to 3’ terminal of RNA primer
D: Pyrophosphate is one of the product
举一反三
- Which<br/>of the following statements about DNA polymerase III is NOT true:() A: Deoxyribonucleotide<br/>are connected to 5’ hydroxyl of synthesized DNA by DNA pol III B: To<br/>catalyze deoxyribonucleotide connected to the primer C: Requires<br/>four kinds of 5’-dNTP D: To<br/>catalyze deoxyribonucleotide connected to 3’ terminal of RNA<br/>primer E: Pyrophosphate<br/>is one of the product
- Which of the following are NOT true about DNA polymerase I in E. coli: A: It can repair the gap in the single-strand DNA. B: It can replace DNA polymerase III to add dNTP into DNA chain when DNA template is damaged. C: Using dNTP as substrate. D: It possesses activity of 5’→3’ endonuclease.
- Which<br/>of the following are NOT true about DNA polymerase I in E.coli:() A: It<br/>can repair the gap in the single-strand DN B: It<br/>can replace DNA polymerase III to add dNTP into DNA chain when DNA<br/>template is damaged. C: It<br/>possesses activity of 3’→5’ exonuclease. D: Using<br/>dNTP as substrate. E: It<br/>possesses activity of 5’→3’ endonuclease.
- The enzyme closely related to the synthesis of RNA primer is: A: DNA pol α B: DNA pol γ C: DNA pol I D: DNA pol III
- 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