f. Complete the diagrams below to reflect the proteins and any relevant cofactors (e.g. - inducer/ repressor molecules) that you would expect to be occupying this operon's regulatory region in the presence of low vs high fatty acyl CoA levels. ↑ [hexose], [fatty acyl CoA] = negligible [hexose] = negligible, ↑[ fatty acyl CoA] 田 promoter operator promoter operator

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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Like the lac operon, the hexose operon is controlled by a separate regulatory protein under the control
of its own promoter (see the schematic of the operon below). The hexose regulatory protein is
sensitive to fatty acyl CoA levels. When all hexose fuel sources are depleted, the bacteria switch to
lipid metabolism and fatty acyl CoA levels increase. This turns expression of the hexose operon off.
+1
+1
Regulatory Gene
Pregulator
P
operon
Hexose Operon Genes
regulator promoter
operon promoter
Transcribed Image Text:Like the lac operon, the hexose operon is controlled by a separate regulatory protein under the control of its own promoter (see the schematic of the operon below). The hexose regulatory protein is sensitive to fatty acyl CoA levels. When all hexose fuel sources are depleted, the bacteria switch to lipid metabolism and fatty acyl CoA levels increase. This turns expression of the hexose operon off. +1 +1 Regulatory Gene Pregulator P operon Hexose Operon Genes regulator promoter operon promoter
f. Complete the diagrams below to reflect the proteins and any relevant cofactors (e.g. - inducer/
repressor molecules) that you would expect to be occupying this operon's regulatory region in the
presence of low vs high fatty acyl CoA levels.
↑ [hexose], [fatty acyl CoA] = negligible
[hexose] = negligible, ↑[ fatty acyl CoA]
%3D
田
promoter
operator
promoter
operator
Transcribed Image Text:f. Complete the diagrams below to reflect the proteins and any relevant cofactors (e.g. - inducer/ repressor molecules) that you would expect to be occupying this operon's regulatory region in the presence of low vs high fatty acyl CoA levels. ↑ [hexose], [fatty acyl CoA] = negligible [hexose] = negligible, ↑[ fatty acyl CoA] %3D 田 promoter operator promoter operator
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