G-protein-coupled receptors (GPCRS) all have a similar cture nains. When a GPCR binds an extracellular signal, an acellular G protein, composed of units, becomes activated. with transmembrane of the G-
G-protein-coupled receptors (GPCRS) all have a similar cture nains. When a GPCR binds an extracellular signal, an acellular G protein, composed of units, becomes activated. with transmembrane of the G-
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,...
Related questions
Question
Please answer this quick, thank you.

Transcribed Image Text:Word Bank:
A. adenylyl
cyclase
E. ATP
B. cholera toxin
C. GTPase
D. AMP
G. Ca²"
K. four
2+
F. ATPase
Н. САМР
L. GDP
I. diacylglycerol
М. GTP
J. five
N. Phosphodiesterase
O. seven
P. Three
Q. twelve
R. Two
1. G-protein-coupled receptors (GPCRS) all have a similar
transmembrane
structure
with
domains. When a GPCR binds an extracellular signal, an
intracellular G protein, composed of
subunits, becomes activated.
protein subunits are tethered to the plasma membrane by short
lipid tails. When unstimulated, the a subunit is bound to
of the G-
which
is
exchanged
for
on
stimulation.
The
intrinsic
activity of the a subunit is important
inhibits
for inactivating the G protein.
this activity of the a subunit, thereby keeping the subunit in an
active state.
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Recommended textbooks for you

Human Anatomy & Physiology (11th Edition)
Biology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON

Biology 2e
Biology
ISBN:
9781947172517
Author:
Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:
OpenStax

Anatomy & Physiology
Biology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,

Human Anatomy & Physiology (11th Edition)
Biology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON

Biology 2e
Biology
ISBN:
9781947172517
Author:
Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:
OpenStax

Anatomy & Physiology
Biology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,

Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:
9780815344322
Author:
Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:
W. W. Norton & Company

Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:
9781260159363
Author:
Martin, Terry R., Prentice-craver, Cynthia
Publisher:
McGraw-Hill Publishing Co.

Inquiry Into Life (16th Edition)
Biology
ISBN:
9781260231700
Author:
Sylvia S. Mader, Michael Windelspecht
Publisher:
McGraw Hill Education