Answered: lack coding sequence Repressor protein…

lack coding sequence Repressor protein ©20 X and Compar Promoter (JacP) CRP-CAMP binding site Operator (Jaco) lacz coding sequence B-galactosidase lacy coding sequence Lactose permease

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter4: Cell Structure

Section: Chapter Questions

Problem 43CTQ: Pathogenic E. coil have recently been shown to degrade tight junction proteins during infection. How...

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Concept explainers

Immunology

Immunology is the division of science involved with the immune reactions occurring in living organisms. The organisms are accustomed to evolving internal defense mechanisms to evade the invasion of microbial pathogens. Diverse cells are connected with stimulating the immune responses, which produce inhospitable conditions to the microbes prompting their lysis and thus inhibits the multiplication of the pathogens. The immune system can distinguish the pathogens through the aid of cellular intercommunication and launch responses to destroy them.

Question

In the lac operon (below), how will expression of the genes lacZ and lacy be effect by a mutation in the repressor protein (encoded by lach) that prevents it from binding the operator sequence (lacO) in the absence of lactose? Explain the answer

lack coding
sequence
Repressor
protein
©20 X and Compar
Promoter
(JacP)
CRP-CAMP
binding site
Operator
(Jaco)
lacz coding
sequence
B-galactosidase
lacy coding
sequence
Lactose permease

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