ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
3rd Edition
ISBN: 9780135964422
Author: Urry
Publisher: PEARSON
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Chapter 32.2, Problem 1CC
Summary Introduction
To explain:
Whether cells differ in their response to a hormone if they have the same receptor for that hormone.
Introduction:
The organs of endocrine system release chemical signal as hormones. A hormone is released by the organ system when it receives an internal stimulus. The released hormone then reaches the target site by travelling through the cardiovascular system. Then the target organ will respond to this signal. The endocrine system is responsible for the regulation of body
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Chapter 32 Solutions
ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
Ch. 32.1 - What properties do all types of epithelia share?Ch. 32.1 - Prob. 2CCCh. 32.2 - Prob. 1CCCh. 32.2 - Prob. 2CCCh. 32.2 - Prob. 3CCCh. 32.3 - Is it accurate to define homeostasis as a constant...Ch. 32.3 - Prob. 2CCCh. 32.3 - Prob. 3CCCh. 32.4 - What is the function of the filtration step in...Ch. 32.4 - What advantage does uric acid offer as a...
Ch. 32.4 - WHAT IF? A camel standing in the sun requires much...Ch. 32.5 - Prob. 1CCCh. 32.5 - Prob. 2CCCh. 32.5 - WHAT IF? If blood pressure in the afferent...Ch. 32 - The body tissue that consists largely of material...Ch. 32 - Prob. 2TYUCh. 32 - Which process in the nephron is least selective?...Ch. 32 - Homeostasis typically relies on negative feedback...Ch. 32 - Prob. 5TYUCh. 32 - In which of the following species should natural...Ch. 32 - Prob. 7TYUCh. 32 - Prob. 8TYUCh. 32 - Prob. 9TYUCh. 32 - Prob. 10TYUCh. 32 - Prob. 11TYUCh. 32 - SYNTHESIZE YOUR KNOWLEDGE These macaques (Macaca...
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- Visit this link (http://openstaxcollege.org/l/hormonebind) to watch an animation of the events thatoccur when a hormone binds to a cell membrane receptor.What is the secondary messenger made by adenylyl cyclaseduring the activation of liver cells by epinephrine?arrow_forwardWhich type of hormone receptor—plasma membrane bound or intracellular—would be expected to provide the most long-lived response to hormone binding and why?arrow_forwardSuppose that the circulating concentration of hor-mone is 10–10 M and the Kd for binding to its receptor is 10–8M. What fraction of the receptors will have hormone bound?If a meaningful physiological response occurs when 50% ofthe receptors have bound a hormone molecule, how muchwill the concentration of hormone have to rise to elicit aresponse? The fraction of receptors (R) bound to hormone(H) to form a receptor–hormone complex (R–H) is [R–H]/([R] + [R–H]) = [R–H]/[R]TOT = [H]/([H] + Kd).arrow_forward
- Why is knowing the KD of a hormone / receptor complex important?arrow_forwardSuppose that two different organs, such as the liver and heart, are sensitive to a particular hormone (such as epinephrine). The cells in both organs have identical receptors for the hormone, and hormone-receptor binding produces the same intracellular second messenger in both organs. However, the hormone produces different effects in the two organs. Explain how this can happen.arrow_forwardWhat is the difference between a G protein and a receptor tyrosine kinase? Give an example of a hormone that uses each.arrow_forward
- How does the receptor location differ for lipid- versus water-soluble hormones and why?arrow_forwardTrace in a stepwise manner the signaling pathway that involves a g-protein receptor leading to the release of intracellular calcium. Specify what class of hormones would be involved in this pathway.arrow_forwardSuppose you are studying a cell’s response to a particularhormone. You observe that the cell produces the same response to thehormone whether or not the cell is treated with a chemical that blockstranscription. What can you surmise about the hormone and its receptor?arrow_forward
- What general features make a chemical compound a hormone, and how do hormones achieve specificity for certain kinds of target cell?arrow_forwardDescribe how a hormone can bind to a membrane-boundreceptor, directly change enzyme activity inside the cell,and increase phosphorylation of intracellular proteins.Give examples.arrow_forwardExplain how the cellular response to a particular hormone canvary among different cell types.arrow_forward
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