Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 38, Problem 1FIB
Summary Introduction
Introduction:
The hormones are the signaling molecules which are produced by cells present in the glands. The hormones are transported to distant targets organs by the circulatory system. The synthesis of hormones is a characteristic feature of multicellular organisms.
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Endocrine hormones are molecules released by cells that are parts of the________. These cells are embedded in capillary beds, so the hormones enter the bloodstream and move throughout the body. Only specific cells of the body, called______ , can respond to any given hormone, because only these cells bear proteins, called________ ,that can bind the hormone.
Which of the following best describes hormones?
a. Hormones are relatively unstable and work only in the area adjacent to the gland that produced them.
b. Hormones are long-lasting chemicals released from glands.
c. All hormones are lipid-soluble.
d. Hormones are chemical messengers that are released into the environment.
If a hormone is released into the bloodstream and therefore comes into contact with many cells, what determines which cells in the body respond to the hormone?
Chapter 38 Solutions
Biology
Ch. 38.1 - describe the four methods of communication between...Ch. 38.1 - Prob. 2CYLCh. 38.1 - Prob. 3CYLCh. 38.2 - Insulin is a large, water-soluble hormone that...Ch. 38.2 - Prob. 1CYLCh. 38.2 - Prob. 2CYLCh. 38.2 - explain the processes of negative and positive...Ch. 38.3 - A common test of thyroid gland function is to...Ch. 38.3 - Prob. 2TCCh. 38.3 - Prob. 3TC
Ch. 38.3 - Prob. 1HYEWCh. 38.3 - Endocrine disruptors have most frequently been...Ch. 38.3 - Prob. 1CYLCh. 38.3 - explain how negative feedback regulates the...Ch. 38.3 - Prob. 5TCCh. 38 - Prob. 1MCCh. 38 - Prob. 2MCCh. 38 - Steroid hormones include a. testosterone. b....Ch. 38 - Prob. 4MCCh. 38 - Prob. 5MCCh. 38 - Prob. 1FIBCh. 38 - Most endocrine hormones fall into three chemical...Ch. 38 - Prob. 3FIBCh. 38 - Prob. 4FIBCh. 38 - The pancreas releases the hormone _________ when...Ch. 38 - Prob. 6FIBCh. 38 - The adrenal cortex releases three major types of...Ch. 38 - Which chemical class of hormones usually attaches...Ch. 38 - Prob. 2RQCh. 38 - Prob. 3RQCh. 38 - Prob. 4RQCh. 38 - Prob. 5RQCh. 38 - Prob. 6RQCh. 38 - A student rescan, her decides to perform an...Ch. 38 - Prob. 2AC
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- Hormones are secreted directly into the bloodstream by the endocrine glands. ___________ ____________ ___________ __________arrow_forwardA 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_forwardDescribe how hormone receptors can play a role in affecting the size of the responses of tissues to hormones.arrow_forward
- Hormones are produced by ______________. a. endocrine glands and cells b. some neurons c. exocrine cells f. a, b, and c d. a and b e. a and carrow_forwardEach steroidogenic organ has all the enzymes necessary to produce any steroid hormone. (True or false?)arrow_forwardWhich of the following stimulate the secretion of hormones? a. neural signals b. local chemical changes c. hormonal signals stimulate hormone secretion d. environmental cues e. all of the above canarrow_forward
- If hormones travel in the bloodstream, why don't all tissues respond to all hormones?arrow_forwardWhich of the following is an INCORRECT combination of a hormone and its class of hormone? a -noradrenaline-amine hormone b- thyroxine-amine hormone c -insulin-amine hormone d -adrenaline -amine hormione e - cortisol-steroid hormone asaparrow_forwardCompare and contrast the endocrine and nervous systems.arrow_forward
- The feedback pathway for the long-term stress hormone is shown below.Some Endocrine Structures and Hormones Posterior pituitary Anterior pituitary ADH ACTH Adrenal medulla Adrenal cortex Cortisol Epinephrine Select the number of the structure from the list above that corresponds to the gland or hormone in the long-term stress hormone release pathway. Answer Answer Answer Answer Gland 1 Hormone 1 Gland 2 Hormone 2arrow_forwardWhich is the following is an example of the nervous system directly interacting with the endocrine system? a. The secretion of cortisol early in the morning b. The continuous secretion of thyroid hormone c. The secretion of epinephrine and norepinephrine during the fight or flight response d. The secretion of insulin after a mealarrow_forwardWhich of the following is an important function of the endocrine system? a. Provides mechanisms for rapid response to changes in the body b. Provides mechanisms that control the nervous system c. It inhibits nervous system action on muscles and glands d. It maintains a contant yet dynamic internal fluid environmentarrow_forward
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