Which
is correct about DNA polymerase and RNA polymerase:()
A: RNA
polymerases use nucleoside diphosphate instead of nucleoside
triphosphate for synthesis of polynucleotide chains
B: RNA
polymerases need primer and add nucleotides in the 5 'end of the
polynucleotide chain
C: DNA
polymerase can add nucleotides in both ends of the polynucleotide
chain
D: All
of the RNA polymerases and DNA polymerases can only add nucleotides
in the 3’ end of the polynucleotide chain
is correct about DNA polymerase and RNA polymerase:()
A: RNA
polymerases use nucleoside diphosphate instead of nucleoside
triphosphate for synthesis of polynucleotide chains
B: RNA
polymerases need primer and add nucleotides in the 5 'end of the
polynucleotide chain
C: DNA
polymerase can add nucleotides in both ends of the polynucleotide
chain
D: All
of the RNA polymerases and DNA polymerases can only add nucleotides
in the 3’ end of the polynucleotide chain
举一反三
- Which is correct about DNA polymerase and RNA polymerase: A: RNA polymerases use nucleoside diphosphate instead of nucleoside triphosphate for synthesis of polynucleotide chains B: RNA polymerases need primer and add nucleotides in the 5 'end of the polynucleotide chain C: DNA polymerase can add nucleotides in both ends of the polynucleotide chain D: All of the RNA polymerases and DNA polymerases can only add nucleotides in the 3’ end of the polynucleotide chain
- The correct statement about RNA polymerase and DNA polymerase is (1 point) A: Synthesis of polynucleotide chain using nucleoside diphosphate B: RNA polymerase requires primers and bases are added at the 5′-end of the extended polynucleotide chain C: DNA polymerase can only synthesize DNA using RNA as a template D: DNA polymerase can add nucleotides on both ends of a chain at the same time E: , DNA polymerase and RNA polymerase can catalyze the formation of 3',5'-phosphodiester bond
- Which of the following descriptions about DNA and RNA polymerase are correct: A: RNA polymerase synthesize RNA chain using nucleoside diphosphate instead of nucleoside triphosphates. B: RNA polymerase can initiate transcription without a primer, and nucleotides are added to 5’ end of the growing RNA chain. C: RNA polymerase can add nucleotides in both 3’ or 5’ end of RNA chain. D: Both RNA polymerase and DNA polymerase can only add nucleotides to 3’ end of the polynucleotides.
- 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