Molecular Biology-מעבדה רפואית
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Which one of the following potentially deleterious events is most likely to occur following homologous recombination in somatic cells?
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A bacterium harbouring a 15,000 bp plasmid that encodes resistance to tetracycline and ampicillin segregates mutants that lose resistance to either drug. Each mutant plasmid appears to increase in size by 5200 bp. Which event best explains the findings?
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One mechanism by which the diversity of Immunoglobulin molecules is generated is by which of the following?
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nsertion sequences (IS) in a bacterial chromosome may move to a plasmid. This is due to which of the following enzymes encoded by the insertion sequence?
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Which of the following types of recombination is not observed in humans?
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Which of the following is the major role of the 3'->5' exonuclease activity of DNA polymerases?
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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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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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