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- All of the following proteins function during nucleotide excision repair, EXCEPT: A. DNA pol B. Uvr A C. Uvr C D. Ligase E. GyraseWhich of the following DNA repair mechanisms relies on homologous DNA recombination for the repair process? base excision repair DNA proofreading postreplication repair mismatch repair SOS responseWhich of the following repair pathways produces more mutations during the process of repair? Group of answer choices DNA polymerase IV None of the above All of the above MutSLH DNA polymerase III UvrABC
- Which of the following molecules has RNA-dependent DNA polymerase activity? A. DNA polymerase I B. DNApolymeraseIII C. RNApolymeraseD. LigaseE. TelomeraseWhich of the following DNA repair mechanisms involves the 3’ to 5’ exonuclease function of DNA polymerase? postreplication repair mismatch repair SOS response DNA proofreading base excision repairDefine the following terms:a. processivityb. replisomec. exonucleased. DNA ligasee. replication fork
- Which of the following enzymes has the highest functional error? a) DNA Polymerase I b) DNA Polymerase II c) DNA Polymerase III d) RNA Polymerase I e) RNA Polymerase IIAZT (3'-azido-2',3'-dideoxythymidine) is a drug for HIV infection that gets incorporated into growing viral DNA and blocks the activity of: reverse transcriptase Integrase DNA ligase DNA polymerase β (beta).Which of the following DNA repair systems may involve the removalof a segment of a DNA strand?a. Direct repairb. Nucleotide excision repairc. Mismatch repaird. Both b and c
- Which of the following DNA repair pathways repair DNA double strand breakage that only occur in diving cells?. Please select all correct answers. A. Nucleotide excision repair (NER) B. Mismatch repair (MMR) C. Double- strand break repair(DSBR) D.non- homologous end joining (NHEJ) E. Synthesis-dependent strand annealing(SDSA)All of these DNA-repair mechanisms use an undamaged complementary DNA strand as a template for replacing the excised nucleotides EXCEPT for____ base-excision repair. homologous recombination. mismatch repair. nonhomologous end joining. nucleotide-excision repairDNA unwinding is done bya) Ligaseb) Helicasec) Topoisomerased) Hexonuclease