Based on the attached figure (Figure 9.7 in the textbook), what intracellular signaling mechanism ultimately causes the light- induced hyperpolarization of a photoreceptor? (A) N (C) FRIES Outer segment membrane Opsin 11-cis retinal -Light Rhodopsin GDP Transducin Disk Ell PDE M (B) 11-cis retinal Disk membrane ........... All-trans retinal GMP GMP 12 12 GMP CGMP CGMP CGMP) Nat 11 Light Inside of cell Open channel Closed channel Outside of cell Na+ Ca²+ decrease in cGMP inactivation of a phosphodiesterase activation of guanylyl cyclase increase in cGMP activation of adenylyl cyclase
Based on the attached figure (Figure 9.7 in the textbook), what intracellular signaling mechanism ultimately causes the light- induced hyperpolarization of a photoreceptor? (A) N (C) FRIES Outer segment membrane Opsin 11-cis retinal -Light Rhodopsin GDP Transducin Disk Ell PDE M (B) 11-cis retinal Disk membrane ........... All-trans retinal GMP GMP 12 12 GMP CGMP CGMP CGMP) Nat 11 Light Inside of cell Open channel Closed channel Outside of cell Na+ Ca²+ decrease in cGMP inactivation of a phosphodiesterase activation of guanylyl cyclase increase in cGMP activation of adenylyl cyclase
Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter32: The Reception And Transmission Of Extracellular Information
Section: Chapter Questions
Problem 12P
Related questions
Question
![Based on the attached figure (Figure 9.7 in the textbook), what
intracellular signaling mechanism ultimately causes the light-
induced hyperpolarization of a photoreceptor?
(A)
N
(C)
FRIES
Outer segment
membrane
Opsin
11-cis
retinal
-Light
Rhodopsin
GDP
Transducin
Disk
Ell
PDE
M
(B)
11-cis retinal
Disk
membrane
...........
All-trans retinal
GMP
GMP
12
12
GMP
CGMP
CGMP
CGMP)
Nat
11
Light
Inside
of cell
Open
channel
Closed
channel
Outside
of cell
Na+
Ca²+](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F85d00984-ae34-4416-a50e-e3da2d4d22d5%2F5c5a9852-76b0-49f2-ad3b-014603a0966c%2F1jnxe3p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Based on the attached figure (Figure 9.7 in the textbook), what
intracellular signaling mechanism ultimately causes the light-
induced hyperpolarization of a photoreceptor?
(A)
N
(C)
FRIES
Outer segment
membrane
Opsin
11-cis
retinal
-Light
Rhodopsin
GDP
Transducin
Disk
Ell
PDE
M
(B)
11-cis retinal
Disk
membrane
...........
All-trans retinal
GMP
GMP
12
12
GMP
CGMP
CGMP
CGMP)
Nat
11
Light
Inside
of cell
Open
channel
Closed
channel
Outside
of cell
Na+
Ca²+
![decrease in cGMP
inactivation of a phosphodiesterase
activation of guanylyl cyclase
increase in cGMP
activation of adenylyl cyclase](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F85d00984-ae34-4416-a50e-e3da2d4d22d5%2F5c5a9852-76b0-49f2-ad3b-014603a0966c%2Ff0uswh7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:decrease in cGMP
inactivation of a phosphodiesterase
activation of guanylyl cyclase
increase in cGMP
activation of adenylyl cyclase
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