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Author Question: (a) Describe by labeled diagram the structural components of the lac operon in E. coli. (b) State ... (Read 55 times)

theo

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Question 1

Present a detailed description of the actions of the regulatory proteins in inducible and repressible enzyme systems.

Question 2

(a) Describe by labeled diagram the structural components of the lac operon in E. coli.
(b) State the function of the lac regulator gene.
(c) State the function of β-galactosidase in the lac system.
(d) Show by diagram the manner in which lactose brings about transcription of the three structural genes of the lac operon.
(e) Explain why certain mutations in the regulator gene (I-) of the lac system result in maximal synthesis of β-galactosidase, permease, and transacetylase even in the absence of the inducer (lactose).


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Marked as best answer by theo on Mar 26, 2020

owenfalvey

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theo

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Reply 2 on: Mar 26, 2020
Excellent


Jossy

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Reply 3 on: Yesterday
:D TYSM

 

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