MasteringBiology with Pearson eText -- ValuePack Access Card -- for Campbell Biology
11th Edition
ISBN: 9780134472942
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 45, Problem 1TYU
Which of the following is not an accurate statement?
(A) Hormones are chemical messengers that travel to target cells through the circulatory system.
(B) Hormones often regulate homeostasis through antagonistic functions.
(C) Hormones of the same chemical class usually have the same function.
(D) Hormones are often regulated through feedback loops.
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Chapter 45 Solutions
MasteringBiology with Pearson eText -- ValuePack Access Card -- for Campbell Biology
Ch. 45.1 - How do response mechanisms in target cells differ...Ch. 45.1 - What type of gland would you expect to secrete...Ch. 45.1 - WHAT IF? Predict what would happen if you...Ch. 45.2 - What are the roles of oxytocin and prolactin in...Ch. 45.2 - How do the two fused glands of the pituitary gland...Ch. 45.2 - WHAT IF? 2192 Propose an explanation for why...Ch. 45.2 - what if? Lab tests of two patients, each...Ch. 45.3 - If a hormone pathway produces a transient response...Ch. 45.3 - Prob. 2CCCh. 45.3 - Prob. 3CC
Ch. 45 - MAKE CONNECTIONS What forms of signaling activate...Ch. 45 - Which major endocrine organs described in Figure...Ch. 45 - Prob. 45.3CRCh. 45 - Which of the following is not an accurate...Ch. 45 - Prob. 2TYUCh. 45 - Growth factors are local regulators that (A) are...Ch. 45 - Prob. 4TYUCh. 45 - Prob. 5TYUCh. 45 - Which of the following is the most likely...Ch. 45 - The relationship between the insect hormones...Ch. 45 - DRAW IT In mammals, milk production by mammary...Ch. 45 - Prob. 9TYUCh. 45 - Prob. 10TYUCh. 45 - Level 3: Synthesis/Evaluation 11. WRITE ABOUT A...Ch. 45 - Prob. 12TYU
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- A physician sees a patient whose symptoms include sluggishness, depression, and intolerance to cold. After eliminating other possible causes, the doctor diagnoses a hormone problem. What disorder fits the symptoms? Why does the doctor suspect that the underlying cause is a malfunction of the anterior pituitary gland?arrow_forwardName the three primary types of hormones.arrow_forwardWhich of the following is true about lipophilic hormones? a. They are freely soluble in the blood. b. They require a transport protein in the bloodstream. c. They cannot enter their target cells. d. They are rapidly deactivated after binding to their receptors.arrow_forward
- What are the broad characteristics that distinguish a chemical substance from a hormone, and how can hormones attain specificity for certain types of target cells?arrow_forwardAre all hormones closely related in their chemical structure?arrow_forwardWhat are the neurotransmitters produced by neurons and acting as hormones called?arrow_forward
- What general features make a chemical compound a hormone, and how do hormones achieve specificity for certain kinds of target cell?arrow_forwardIdentify the three chemical classes of hormones, and give an example of each. Most hormones belong to which class?arrow_forwardThe cells on which hormones act are called the hormone’s target cells. True or false? Give an example?arrow_forward
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