The Lac Operon: A Model of Gene Regulation in E. Coli | Massachusetts Institute of Technology - Edubirdie

University:
Massachusetts Institute of Technology
Course:
7.01SC | Fundamentals of Biology
Academic year:

2021
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85

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1
Author:

zarcetas8s

The lac operon: a model of gene regulation in E. coli PromoterZYA glucose lactose RNA polymerase RNA polymerase + - Promotercrp crp PromoterI active repressor lacI lacZ activator binding site lacY lacA DNA lacY lacA DNA operator (repressor binding site) mRNA mRNA active repressor inactive activator PromoterZYA RNA polymerase - + Promotercrp active RNA polymerase crp PromoterI activator cAMP lacI active inactive activator + activator binding site lacZ operator (repressor binding site) mRNA mRNA inactive RNA polymerase repressor lactose repressor + lactose cAMP active activator cAMP mRNA LacZ (βgal) LacY LacA can metabolize lactose!

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