E2 F12 answer key

The ribonucleoprotein enzyme that elongates

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Unformatted text preview: same rate 3 13. The ribonucleoprotein enzyme that elongates chromosomal ends: a. primase b. reverse transcriptase c. DNA ligase d. telomerase e. DNA pol γ 14. Which of the following statements about MMR/DNA repair is NOT correct? a. defects in this system lead to an increased incidence of hereditary nonpolyposis colorectal cancer in humans b. this system detects mismatched nucleotides in newly synthesized DNA c. MutS of this DNA repair system, and its homolog proteins, dimerize, bind, and act as sensors for DNA mismatches d. MutL of this DNA repair system, and its homolog proteins bind to MutS (and its homologs)-DNA complexes and facilitates a looping out of mismatched DNA e. in mammals, specific DNA methylation patterns protect parental DNA from MMR 15. The protein Ku70/Ku80 with duplex DNA is shown below. What is the function of this protein? a. b. c. d. e. 16. it senses and aligns double stranded DNA breaks in NHEJ it senses and aligns double stranded DNA breaks in homologous recombination it is a major kinase in cell cycle regulation BER, DNA pol β homologous recombination, RecA Which is not a protein involved in eukaryotic homologous re...
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This test prep was uploaded on 03/23/2014 for the course CHEMISTRY 4141 taught by Professor Jonklaas during the Spring '13 term at Baylor.

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