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: To
catalyze deoxyribonucleotide connected to the primer
C: Requires
four kinds of 5’-dNTP
D: To
catalyze deoxyribonucleotide connected to 3’ terminal of RNA
primer
E: Pyrophosphate
is one of the product
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: To
catalyze deoxyribonucleotide connected to the primer
C: Requires
four kinds of 5’-dNTP
D: To
catalyze deoxyribonucleotide connected to 3’ terminal of RNA
primer
E: Pyrophosphate
is one of the product
举一反三
- 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
- The<br/>enzyme closely related to the synthesis of RNA primer is:() A: DNA<br/>pol α; B: DNA<br/>pol γ; C: DNA<br/>pol δ; D: DNA<br/>pol I; E: DNA<br/>pol III
- 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<br/>role of RNA primer during DNA replication is:() A: to<br/>guide DNA polymerase to bind with DNA template B: to<br/>provide 5’ phosphate end C: to<br/>provide attachment sites for four kinds of NTP D: inducing<br/>synthesis of RNA E: to<br/>provide 3’-OH end to initiate synthesis of new DNA
- Which<br/>of the following statement about DNA polymerase of eukaryotes is NOT<br/>true:() A: DNA<br/>pol α/primase are involved in initial synthesis of the nascent<br/>strand. B: DNA<br/>polδ and ε are mainly responsible for the synthesis of<br/>DNA chains. C: Replacement<br/>of DNA polymerase could happen during DNA synthesis process. D: There<br/>are five kinds of DNA pol:α、β、γ、δ<br/>and ε in eukaryotes