SEELEY'S ANATOMY+PHYSIOLOGY
12th Edition
ISBN: 9781260172195
Author: VanPutte
Publisher: RENT MCG
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Chapter 17, Problem 3CT
Summary Introduction
To analyze:
The method to detect the hormone-response intracellular mediator and nuclear receptor mechanism.
Introduction:
A receptor is a molecule that is present inside or on the surface of the cell. This receptor molecule binds to its compatible signal molecule or ligand and initiates a cellular response that brings about a physiological process.
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What is the specific role of the protein kinase enzymes in the signal transduction pathway initiated by water-soluble hormones?
The binding of small amounts of hormones to target cell receptors triggers an intricate signal cascade. Why is the signal cascade necessary? Why not just have a simple molecularmechanism between the hormone and cellular effect?
Which of the following statements is true?
Question 2 options:
a)
All cells will respond to the hormonal signal because hormones are broadcast throughout the body.
b)
The regulation of inflammatory responses at the site of an infection is an example of paracrine signaling.
c)
Paracrine signaling involves the secretion of stimuli into the bloodstream for distribution throughout the organism.
d)
The axons of neurons typically signal target cells using membrane-bound signaling molecules that act on receptors in the target cells.
Chapter 17 Solutions
SEELEY'S ANATOMY+PHYSIOLOGY
Ch. 17.1 - How does an endocrine gland differ from an...Ch. 17.1 - Prob. 2AYPCh. 17.1 - In what ways does the nervous system differ from...Ch. 17.1 - Name and describe the four classes of chemical...Ch. 17.2 - Prob. 5AYPCh. 17.2 - Prob. 6AYPCh. 17.2 - Prob. 7AYPCh. 17.2 - What effect does a bound hormone have on the...Ch. 17.2 - What are the two chemical categories of hormones?...Ch. 17.2 - Describe how the chemical nature of a hormone...
Ch. 17.2 - Prob. 11AYPCh. 17.2 - Why do organs regulated by protein hormones have...Ch. 17.2 - Prob. 13AYPCh. 17.2 - Describe chronic, acute, and episodic patterns of...Ch. 17.3 - Describe and give examples of the three major ways...Ch. 17.3 - Prob. 16AYPCh. 17.4 - What characteristics ofa hormone receptor make...Ch. 17.4 - What is down-regulation, and what may cause it to...Ch. 17.4 - Prob. 19AYPCh. 17.4 - What are the two classes of hormone receptors? How...Ch. 17.4 - Prob. 21AYPCh. 17.4 - Prob. 22AYPCh. 17.4 - Prob. 23AYPCh. 17.4 - What two ways can a membrane-bound receptor use to...Ch. 17.4 - Explain how the hormone-receptor complex can alter...Ch. 17.4 - List four intracellular mediators affected by G...Ch. 17.4 - Prob. 27AYPCh. 17.4 - Prob. 28AYPCh. 17.4 - Prob. 29AYPCh. 17.4 - Prob. 30AYPCh. 17 - Prob. 1RACCh. 17 - Prob. 2RACCh. 17 - Which of these can regulate the secretion of a...Ch. 17 - Prob. 4RACCh. 17 - Prob. 5RACCh. 17 - Concerning the half-lifeof hormones, a....Ch. 17 - Prob. 7RACCh. 17 - Prob. 8RACCh. 17 - Prob. 9RACCh. 17 - Prob. 10RACCh. 17 - Prob. 11RACCh. 17 - Which of these can limit a cell's response to a...Ch. 17 - Prob. 13RACCh. 17 - Prob. 14RACCh. 17 - When a hormone binds to a nuclear receptor a. DNA...Ch. 17 - Prob. 16RACCh. 17 - Prob. 1CTCh. 17 - Prob. 2CTCh. 17 - Prob. 3CTCh. 17 - Prob. 4CTCh. 17 - Prob. 5CTCh. 17 - Prob. 6CTCh. 17 - Thyroid hormones are important in regulating the...Ch. 17 - Prob. 8CTCh. 17 - Prob. 9CT
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- A hormone molecule binds to a receptor on a cell membrane. It doesnt enter the cell; rather, the binding activates a second messenger inside the cell that triggers an amplified response to the hormonal signal. Is the signaling molecule a steroid or a nonsteroid hormone?arrow_forwardWhich of the following occurs when a hormone binds to an intracellular receptor? a) Activation of cAMP b) Activation of genes c) Altered enzyme activitiesarrow_forwardWhy do peptide and steroid hormones bind different kinds of receptor, and how does this difference affect the resulting signaling pathways in the target cell?arrow_forward
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- What are the definitions of the phrases chemical messenger, target tissue, and hormone receptor?arrow_forwardIf a hormone interacts with a membrane-bound receptor, then the cell’s DNA will be stimulated to synthesize and secrete a protein. True or False?arrow_forwardDistinguish between the steroid and nonsteroid group of nuclear hormone receptors. Explain the central role of vitamin A in the actions of the nonsteroid group of receptors.arrow_forward
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