Question 11 How does the mismatch repar system "know' which strand of DNA to remove and resynthesize? O The polymeraze enzymes are still bulding the "ON

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question 11
How does the mismatch repar system "know' which strand of DNA to remove and resynthesize?
O The polymeraze enzymes are stil bulding the "newer" strand when the mismatch occurs, and they "recruit" the repair enzymes to remove the correct strand.
O The encymes sence which strand is "older" by sensing the presence of methylation. The other, newer strand is then removed.
OR dent know. It simply chooses one strand at random. This actually means that 50% o sepair results in a permanent mutation.
Moing to the next question prevents changes to this anr
Transcribed Image Text:Question 11 How does the mismatch repar system "know' which strand of DNA to remove and resynthesize? O The polymeraze enzymes are stil bulding the "newer" strand when the mismatch occurs, and they "recruit" the repair enzymes to remove the correct strand. O The encymes sence which strand is "older" by sensing the presence of methylation. The other, newer strand is then removed. OR dent know. It simply chooses one strand at random. This actually means that 50% o sepair results in a permanent mutation. Moing to the next question prevents changes to this anr
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