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Author Question: (a) Describe by labeled diagram the structural components of the lac operon in E. coli. (b) State ... (Read 51 times)

theo

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on: Mar 26, 2020

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).
Essentials of Genetics ¦ Klug ¦ 9th Edition
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Marked as best answer by theo on Mar 26, 2020

owenfalvey

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Reply #1 on: Mar 26, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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theo

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Reply 2 on: Mar 26, 2020
:D TYSM

frankwu0507

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Reply 3 on: Yesterday
Wow, this really help

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