• 2022-06-09
    Which of the following statement about DNA polymerase of eukaryotes is NOT true:
    A: DNA pol α/primase are involved in initial synthesis of the nascent strand.
    B: DNA polδ and ε are mainly responsible for the synthesis of DNA chains.
    C: Replacement of DNA polymerase could happen during DNA synthesis process.
    D: There are five kinds of DNA pol:α、β、γ、δ and ε in eukaryotes
  • D

    内容

    • 0

      The sequence of part of a DNA strand is the following: -ATTCGATTGCCCACGT-. When this strand is used as a template for DNA synthesis, the product will be which one of the following?

    • 1

      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

    • 2

      真核生物DNA聚合酶中不具有3'→5'核酸外切酶活性的是: A: DNA pol δ B: DNA pol Ⅱ C: DNA pol γ D: DNA pol ε E: DNA pol α和β

    • 3

      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

    • 4

      The role of RNA primer during DNA replication is A: to guide DNA polymerase to bind with DNA template B: to provide 5’ phosphate end C: to provide attachment sites for four kinds of NTP D: to provide 3’-OH end to initiate synthesis of new DNA