DNA polymerase III is the largest DNA polymerase in E. coli（）
举一反三
- E coli DNA polymerase III: A: can initiate replication without a primer. B: is efficient at nick translation. C: is the principal DNA polymerase in chromosomal DNA replication. D: represents over 90% of the DNA polymerase activity in E: requires a free 5'-hydroxyl group as a primer.
- 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.
- 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
- 以下哪类大肠杆菌DNA聚合酶参与了SOS修复过程 A: DNA polymerase Ⅰ B: DNA polymerase Ⅱ C: DNA polymerase Ⅲ D: DNA polymerase Ⅴ
- 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