Which of the following is not the difference between DNA polymerase and RNA polymerase?()
A: The fidelity of
the two enzymes is different when the template chain is copied
B: The number of
reaction starting sites is different
C: Different reading
directions of template chain
D: Size of reaction
products
E: The reaction
process is bidirectional
A: The fidelity of
the two enzymes is different when the template chain is copied
B: The number of
reaction starting sites is different
C: Different reading
directions of template chain
D: Size of reaction
products
E: The reaction
process is bidirectional
举一反三
- Which of the following is not the difference between DNA polymerase and RNA polymerase? A: The fidelity of the two enzymes is different when the template chain is copied B: The number of reaction starting sites is different C: Different reading directions of template chain D: Size of reaction products E: The reaction process is bidirectional
- 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 used in the polymerase chain reaction is ( ) A: restriction endonuclease B: reverse transcriptase C: DNA polymerase D: RNA polymerase
- Which<br/>is correct about DNA polymerase and RNA polymerase:() A: RNA<br/>polymerases use nucleoside diphosphate instead of nucleoside<br/>triphosphate for synthesis of polynucleotide chains B: RNA<br/>polymerases need primer and add nucleotides in the 5 'end of the<br/>polynucleotide chain C: DNA<br/>polymerase can add nucleotides in both ends of the polynucleotide<br/>chain D: All<br/>of the RNA polymerases and DNA polymerases can only add nucleotides<br/>in the 3’ end of the polynucleotide chain
- Which<br/>of the following reactions can occur in tropane alkaloids?() A: vitali<br/>reaction B: complexation<br/>reaction C: coordination<br/>reaction D: precipitation<br/>reaction E: condensation<br/>reaction