BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 44, Problem 2S
Suppose 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.
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Suppose 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.
Suppose 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?
Explain why only certain cells respond to hormones even though all cells in the body are exposed to the hormone.
Chapter 44 Solutions
BIOLOGY
Ch. 44.1 - Prob. 1LOCh. 44.1 - Prob. 2LOCh. 44.1 - Prob. 3LOCh. 44.2 - Prob. 1LOCh. 44.2 - Prob. 2LOCh. 44.2 - Prob. 3LOCh. 44.3 - Prob. 1LOCh. 44.3 - Describe the connections between the hypothalamus,...Ch. 44.3 - Prob. 3LOCh. 44.4 - Prob. 1LO
Ch. 44.4 - Describe the components of Ca2+ homeostasis.Ch. 44.4 - Prob. 3LOCh. 44.5 - Prob. 1LOCh. 44.5 - Prob. 2LOCh. 44.5 - Prob. 3LOCh. 44 - Prob. 1DACh. 44 - Prob. 1IQCh. 44 - Which of the following best describes hormones? a....Ch. 44 - Steroid hormones a. can diffuse through the...Ch. 44 - Second messengers are activated in response to a....Ch. 44 - Which of the following is true about lipophilic...Ch. 44 - An organ is classified as part of the endocrine...Ch. 44 - Hormones released from the pituitary gland have...Ch. 44 - Prob. 7UCh. 44 - You think one of your teammates is using anabolic...Ch. 44 - Your Uncle Sal likes to party. When he goes out...Ch. 44 - Prob. 3ACh. 44 - Prob. 4ACh. 44 - Prob. 5ACh. 44 - You experience a longer period than normal between...Ch. 44 - Mild vitamin D deficiency can lead to...Ch. 44 - How can blocking hormone production decrease...Ch. 44 - Suppose that two different organs, such as the...Ch. 44 - Many physiological parameters, such as blood Ca2+...
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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_forwardGive two examples of feedback control of hormone activity.arrow_forwardThe reduction of cell-surface receptors in response to stimulation by a specific hormone molecule is called_____________________.arrow_forward
- compare and contrast hormones based on their signal transduction propertiesarrow_forwardExplain how second messenger molecules work. Why use a second messenger rather than simply relying on a more direct hormone-stimulated transduction mechanism?arrow_forwardPredict what would happen if you injected a water-soluble hormone into the cytosol of a target cell.arrow_forward
- Which of the following observations can be explained by the properties of hormone receptors? a) A certain tissue can react to more than one hormone b) A certain hormone affects only a specific tissue, not all tissues c) Some tissues react very quickly to a certain hormone, other tissues take many hours to react to the same hormonearrow_forwardUsing insulin as an example, explain how the secretion of a hormone is controlled by the effects of that hormone’s actions.arrow_forwardThe effector is the organ that response to the release of hormones in the body. Based on diagram what organ would be the effector?arrow_forward
- Production of thyroid hormone by cells in the thyroid gland in response to thyroid-stimulating hormone produced by the pituitary is an example of what type of signaling?arrow_forwardExplain how the response of the body to a given hormone can be affected by the concentration of that hormone in the blood.arrow_forwardDescribe the mechanism of hormone response resulting from the binding of a hormone with an intracellular receptor.arrow_forward
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