To repair a thymine dimer by a nucleotide excision repair, surrounded by which instruct do the necessay enzymes accomplishment?
a. Endonuclease, DNA Polymerase 3, RNA Primase
b. Helicase, DNA Polymerase 1, DNA Ligase
c. DNA Ligase, Nuclease, Helicase
d. DNA Polymerase 1, DNA Polymerase 3, DNA Ligase
e. Endonuclease, DNA Polymerase 1, DNA Ligase
Answers:
Ans E.
I'm not 100% sure, but the correct answer appears to me to be e. First, the dimer must be removed (endonuclease). Then, the Thymine must be replaced (DNA polymerase). Finally, the strand must be re-joined (DNA ligase).
Best wishes and good luck.
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b. Helicase, DNA Polymerase 1, DNA Ligase
c. DNA Ligase, Nuclease, Helicase
d. DNA Polymerase 1, DNA Polymerase 3, DNA Ligase
e. Endonuclease, DNA Polymerase 1, DNA Ligase
Answers:
Ans E.
I'm not 100% sure, but the correct answer appears to me to be e. First, the dimer must be removed (endonuclease). Then, the Thymine must be replaced (DNA polymerase). Finally, the strand must be re-joined (DNA ligase).
Best wishes and good luck.
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