Connect with LearnSmart Labs Access Card for Seeley's A&P
11th Edition
ISBN: 9781259807657
Author: Cinnamon VanPutte, Jennifer Regan, Andrew F. Russo Dr., Rod R. Seeley Dr.
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 17.4, Problem 18AYP
What is down-regulation, and what may cause it to occur? Give an example of down-regulation in the body.
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Chapter 17 Solutions
Connect with LearnSmart Labs Access Card for Seeley's A&P
Ch. 17.1 - Name and describe the four classes of chemical...Ch. 17.1 - Prob. 2AYPCh. 17.1 - In what ways does the nervous system differ from...Ch. 17.1 - How does an endocrine gland differ from an...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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- Second-messenger systems ultimately bring about the desired cell response by inducing a change in the shape and function of particular designated intracellular proteins. (True or false?)arrow_forwardWhen protein kinase A (PKA) is inactive, which of the following statements is true? ATP is bound to the regulatory subunit to inhibit subunit dissociation. CAMP is bound to the catalytic site to inhibit the regulatory subunit. The regulatory subunit has cyclic GMP bound in place of cyclic AMP. The intrinisic pseudosubstrate peptide is bound to the active site.arrow_forwardWhat class of enzyme catalyzes each of the two steps that convert tryptophan to serotonin?arrow_forward
- What enzyme(s) control the total levels of cGMP in a cell? Is guanylyl cyclase one of the enzymes?arrow_forwardDescribe allosteric regulation.arrow_forwardIn the regulation of enzyme activity by phosphorylation (as discussed in class), the introduction of phosphate to the enzyme being controlled: requires a protein phosphatase enzyme but not ATP requires a protein phosphatase enzyme plus ATP O requires a protein kinase enzyme but not ATP O requires a protein kinase enzyme plus ATParrow_forward
- 1. Plays an important role in intracellular signaling 2. helps maintain an erection in men 3. has a key role in glycoprotein synthesis 4. Helps control diabetes by reducing blood sugar and insulin resistance 5. facilitates absorption of minerals such as Potassium, Magnesium, and Calcium 6. removes toxic substances from the breakdown of muscle proteins during intensive exercise 7. has a synergistic effect with Vitamin E and Selenium 8. Needed to produce tryptophan 9. Protects myelin sheath 10. facilitates removal of heavy metals such as mercury Choices for the answers: A. Alanine B. Cysteine C. Glutamine D. Glutathione E. Glycine F. Serine G. Taurine H. Aspargine I. Aspartic Acid J. Proline K. L-arginine L. Tyrosinearrow_forwardWhy do steroid hormones, as drugs, not require transducing elements to exert their effects on cellular metabolism? .arrow_forwardWhich 2 endocrine glands exert the most control over blood calcium level:a) anterior pituitary and adrenal cortex b) thyroid and ovaries c) adrenal cortex and thyroid d) parathyroid and anterior pituitary e) thyroid and parathyroidWhat is the role of calcium at the synaptic terminal?Explain the active site theory of enzyme functioning?arrow_forward
- (a) Predict the effect of a mutation that enhances the activity of the kinase associated with the PDH complex. (b) Predict the effect of a mutation that reduces the activity of the phosphatase associated with the PDH complex.arrow_forwardExplain Cofilinarrow_forwardWhat G-protein-coupled pathway results in an increase in intracellular calcium? O G-alpha, G-alphas O G-alpha, O the shortcut pathway O G-alphaarrow_forward
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