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(USMLoid) Which of the following is the major role of the 3'->5' exonuclease activity of DNA polymerases?

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(USMLoid) Ultraviolet irradiation of cells can produce dimers between which of the following bases in DNA?

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Which of the following is most likely to cause a double-stranded break in DNA.

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Which of the following DNA repair pathways is more likely to fix the G-G base pair shown?

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Which of the following mechanisms can be used to fix a double stranded DNA break

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A piece of chromosomal DNA in resting cell (non-dividing) contains this abnormal base-pairing. It is most likely due to which of the following?

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The aberrant GA base-pair shown will most likely be fixed to give which of the following?

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It is the winter solstice. You have been cross country skiing for 2.4 hours and are currently trying to decide whether to take a break or push on to the chateau. Which of the following intervals contains the number of potentially mutagenic events each genome in your body has suffered since you started skiing?

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Which of the following DNA repair pathways is most tightly coupled to DNA replication?

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Which of the following mutagens will most likely lead to DNA damage that requires the use of a translesional polymerase for repair.

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