Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 1TYU
Binding of a signaling molecule to which type of receptor leads directly to a change in the distribution of substances on opposite sides of the membrane?
(A) intracellular receptor
(B) G protein-coupled receptor
(C) phosphorylated receptor tyrosine kinase dimer
(D) ligand-gated ion Channel
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Which receptor undergoes clustering and autophosphorylation in response to activation by a signal?
Group of answer choices:
a)Ligand-gated ion channels
b)Receptor Tyrosine Kinases (RTKs)
c)G-Protein Coupled Receptors (GPCRs)
d)Nuclear Receptors
An extracellular signaling molecule binds to cell surface receptor. This cell surface receptor changes shape and activates a trimeric G-protein. What kind of receptor is this?
a) Ion-channel coupled receptor
b) Receptor Tyrosine Kinase
c) G-Protein coupled receptor
d) All of the other answers are correct
e) Enzyme-coupled receptor
What is the mechanism by which voltage-gated channels open in response to voltage changes?
Choose the best answer:
(a) Voltage changes cause release of ligand
(b) Voltage changes shift the receptor from the inactivated to active state
(c) Charged residues in the channel lead to a conformation change
(d) Voltage changes lead to increased force from ions attempting to pass through
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Chapter 11 Solutions
Campbell Biology
Ch. 11.1 - Explain how signaling is involved in ensuring that...Ch. 11.1 - In liver cells, glycogen Phosphorylase acts in...Ch. 11.1 - Prob. 3CCCh. 11.2 - Prob. 1CCCh. 11.2 - WHAT IF? What would the effect be if a cell made...Ch. 11.2 - MAKE CONNECTIONS How is ligand binding similar to...Ch. 11.3 - What is a protein kinase, and what is its role in...Ch. 11.3 - When a signal transduction pathway involves a...Ch. 11.3 - What is the actual signal that is being transduced...Ch. 11.3 - WHAT IF? If you exposed a cell to a ligand that...
Ch. 11.4 - How can a targct cell's response to a single...Ch. 11.4 - WHAT IF? If two cells have different scaffolding...Ch. 11.4 - Prob. 3CCCh. 11.4 - Prob. 4CCCh. 11.5 - Give an example of apoptosis during embryonic...Ch. 11.5 - WH AT IF? If apoptosis occurred when it should...Ch. 11 - What determines whether a cell responds to a...Ch. 11 - How are the structures of a GPCR and an RTK...Ch. 11 - What is the difference between a protein kinase...Ch. 11 - What mechanisms in the cell terminale its response...Ch. 11 - What is an explanation for the similarities...Ch. 11 - Binding of a signaling molecule to which type of...Ch. 11 - The activation of receptor tyrosinc kinases is...Ch. 11 - Lipid-soluble signaling molecules, such as...Ch. 11 - Consider this pathway: epinephrine G...Ch. 11 - Apoptosis involves all but which of the following?...Ch. 11 - Which Observation suggestcd to Sutherland the...Ch. 11 - Prob. 7TYUCh. 11 - DRAW IT Draw the following apoptotic pathway,...Ch. 11 - EVOLUTION CONNECTION Identify the evolutlonary...Ch. 11 - Prob. 10TYUCh. 11 - SCIENCE, TECHNOLOGY, AND SOCIETY The aging process...Ch. 11 - WRITE ABOUT A THEME: ORGANIZATION The properties...Ch. 11 - SYNTHESIZE YOUR KNOWLEDGE There are five basic...
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