Describe the regulation of the lac operon when lactose is present and glucose is absent

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Describe the regulation of the lac operon when lactose is present and glucose is absent
Promoter
CAP site
Operator JacZ lacY lacA
promotes RNA
polymerase binding +
blocks RNA
polymerase
Repressor
CAP
RNA Polymerase
2.
Describe the regulation of the lac operon when lactose is present and glucose is absent
3.
Describe the regulation of the lac operon when lactose is present and glucose is present
Your Response must include the following terms, CAMP, inactive CAP, active CAP promoter, operator,
RNA polymerase, CAP binding site
80
F2
F3
F4
F5
F6
@
$
%
1
2
4
# 3
Transcribed Image Text:Promoter CAP site Operator JacZ lacY lacA promotes RNA polymerase binding + blocks RNA polymerase Repressor CAP RNA Polymerase 2. Describe the regulation of the lac operon when lactose is present and glucose is absent 3. Describe the regulation of the lac operon when lactose is present and glucose is present Your Response must include the following terms, CAMP, inactive CAP, active CAP promoter, operator, RNA polymerase, CAP binding site 80 F2 F3 F4 F5 F6 @ $ % 1 2 4 # 3
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