What is the importance of chi sites during RecBCD mediated homology directed repair in E. coli? At a chi site, RecBCD proteins bind to DNA to initiate recombination When RecBCD encounters a chi site, 5' end of DNA is preferentially degraded At a chi site, the helicase activity of the RecBCD complex begins to degrade the DNA When RecBCD encounters a chi site, branch migration is terminated
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This is important because it marks the specific location where the homology-directed repair process should begin. When RecBCD encounters a chi site, the 5' end of DNA is preferentially degraded, which helps to create a single-stranded DNA tail that can invade the Show more…
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