Q1. PLEASE EXPLAIN THE ANSWER Near to lacO are other DNA sequences similar to lacO. A. What...

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Biology

Q1. PLEASE EXPLAIN THE ANSWER Near to lacO areother DNA sequences similar to lacO.
A. What prevents LacI from occupying these instead of the lacOin the promoter region?
B. What role is proposed for those other lacO-like elements?
Q2. PLEASE EXPLAIN THE ANSWER
You are given an E. coli merodiploid with an F plasmid with thisgenotype: lacP- lacO+ lacZ+ lacY+ and a chromosome with a secondcopy of the lac operon with this genotype: lacP+ lacO+ lacZ- lacY-.Depending on the whether lacP- is replaced with lacP+ on the Fplasmid by the Holliday or DSBR model, what happens to the copy oflacP on the chromosome? Explain why.

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A Ans The gene that encodes the lac repressor is named lacI and its under control of its own promoter The lacI gene happens to be found near the lac operon but its not a part of the operon and its expressed See Answer

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