14. DNA Synthesis
DNA Polymerases
14. DNA Synthesis
DNA Polymerases
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- Multiple ChoiceThe role of DNA polymerases in DNA replication is to __________.
- Multiple ChoiceUnlike prokaryotic DNA replication, replication of eukaryotic chromosomes __________.
- Open QuestionWhich of the following is not a property of DNA polymerase?a. It adds dNTPs only in the 5'→3' direction.b. It requires a primer to begin synthesis.c. It opens the two strands of DNA at the replication fork.d. Its exonuclease activity is involved in proofreading.
- Open QuestionWhat is the function of primase?a. synthesis of the repetitive, short double-stranded DNA sequences required by DNA polymeraseb. synthesis of a short RNA strand that is complementary to single-stranded DNAc. closing the gap at the 3′ end of DNA after excision repaird. removing primers and synthesizing a short section of DNA to replace them
- Open QuestionDNA polymerase .a. attaches sister chromatids at the centromere;b. synthesizes daughter DNA molecules from fats and phospholipids;c. is the enzyme that facilitates DNA synthesis;d. causes cancer cells to stop dividing