ne epidermal growth factor receptor (EGFR) activates a complex signaling network - increase expression of several genes and promote cell proliferation as shown in ne figure below. EGF Active EGFR Inactive EGFR Inactive EGFR P- EP Inactive Ras-GDP Ras-GTP Active Raf -P NUCLEUS МЕК- Р MAPK -P Active МАРК -P C-myc gene transcribed CYTOPLASM Cell proliferation /hich of the following scenarios would result in decreased expression of the c-myc ene? elect all that apply. A homozygous mutation of the EGFR gene resulting in a deletion of the ligand binding domain

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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The epidermal growth factor receptor (EGFR) activates a complex signaling network
to increase expression of several genes and promote cell proliferation as shown in
the figure below.
EGF
Active EGFR
Inactive EGFR
Inactive EGFR
P-
EP
Inactive Ras-GDP
Ras-GTP Active
Raf -P
NUCLEUS
МЕК-F
МАРК-Р
Active
МАРК-P
C-myc gene transcribed
CYTOPLASM
Cell proliferation
Which of the following scenarios would result in decreased expression of the c-myc
gene?
Select all that apply
A homozygous mutation of the EGFR gene resulting in a deletion of the ligand
binding domain
A homozygous mutation of the ras gene so that Ras protein was not able to
exchange GDP for GTP
A homozygous mutation of the ras gene so that Ras protein was not able to
hydrolyze GTP for GDP
A homozygous mutation of the MAPK gene so that MAPK protein was always in
a phosphorylated state
Transcribed Image Text:The epidermal growth factor receptor (EGFR) activates a complex signaling network to increase expression of several genes and promote cell proliferation as shown in the figure below. EGF Active EGFR Inactive EGFR Inactive EGFR P- EP Inactive Ras-GDP Ras-GTP Active Raf -P NUCLEUS МЕК-F МАРК-Р Active МАРК-P C-myc gene transcribed CYTOPLASM Cell proliferation Which of the following scenarios would result in decreased expression of the c-myc gene? Select all that apply A homozygous mutation of the EGFR gene resulting in a deletion of the ligand binding domain A homozygous mutation of the ras gene so that Ras protein was not able to exchange GDP for GTP A homozygous mutation of the ras gene so that Ras protein was not able to hydrolyze GTP for GDP A homozygous mutation of the MAPK gene so that MAPK protein was always in a phosphorylated state
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