Human Physiology: An Integrated Approach (8th Edition)
8th Edition
ISBN: 9780134605197
Author: Dee Unglaub Silverthorn
Publisher: PEARSON
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Chapter 6, Problem 10RQ
Summary Introduction
To determine: The two methods in which the cell might decrease its response to a signal.
Introduction: A signal transduction pathway includes a group of proteins and polysaccharides that carry the signals by the binding of the signaling molecule with the receptor. The signals carried, leading to conformational changes in the proteins, further trigger a cascade of reactions, thus leading to a cellular response.
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Describe how a signal cascade may be terminated and explain why it is important to terminate signals.
Describe ways a cell might terminate a signal pathway.
What mechanisms in the cell terminate its response to a signaland maintain its ability to respond to new signals?
Chapter 6 Solutions
Human Physiology: An Integrated Approach (8th Edition)
Ch. 6.1 - Match the communication method on the left with...Ch. 6.1 - Which signal molecules listed in the previous...Ch. 6.1 - A cat sees a mouse and pounces on it. Do you think...Ch. 6.2 - List four components of signal pathways.Ch. 6.2 - Prob. 5CCCh. 6.2 - What are the four steps of signal transduction?Ch. 6.2 - Prob. 7CCCh. 6.2 - Prob. 8CCCh. 6.2 - Name the four categories of membrane receptors.Ch. 6.2 - Prob. 10CC
Ch. 6.2 - Prob. 11CCCh. 6.2 - Prob. 12CCCh. 6.3 - The extracellular fluid Ca2+ concentration...Ch. 6.3 - Prob. 14CCCh. 6.4 - What do receptors, enzymes, and transporters have...Ch. 6.4 - Prob. 16CCCh. 6.4 - Prob. 17CCCh. 6.5 - What is the difference between tonic control and...Ch. 6.5 - Prob. 19CCCh. 6.5 - What is the difference between local control and...Ch. 6.5 - Name the seven steps in a reflex control pathway...Ch. 6.5 - Prob. 22CCCh. 6.5 - Prob. 23CCCh. 6.5 - Prob. 24CCCh. 6 - What are the two routes for long-distance signal...Ch. 6 - Prob. 2RQCh. 6 - Prob. 3RQCh. 6 - Prob. 4RQCh. 6 - Prob. 5RQCh. 6 - An enzyme known as protein kinase adds the...Ch. 6 - Distinguish between central and peripheral...Ch. 6 - Prob. 8RQCh. 6 - Prob. 9RQCh. 6 - Prob. 10RQCh. 6 - Prob. 11RQCh. 6 - Explain the relationships of the terms in each of...Ch. 6 - List and compare the four classes of membrane...Ch. 6 - Prob. 14RQCh. 6 - Prob. 15RQCh. 6 - Prob. 16RQCh. 6 - Prob. 17RQCh. 6 - Identify the target tissue or organ for each...Ch. 6 - Now identify the integrating center for examples...Ch. 6 - In each of the following situations, identify the...Ch. 6 - Prob. 21RQCh. 6 - Prob. 22RQ
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- Describe what cell signal activation is and how it occursarrow_forwardIntracellular signaling pathways provide multiple opportunities for the amplification of a response to an extracellular signal. Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a True Falsearrow_forwardDescribe at least one mechanism that exists to switch off a signal after a signal transduction has occurred.arrow_forward
- Describe how a cell can chemically communicate with other cells using the following modes of communication: gap junctions, contact signaling, autocrine & paracrine signaling, hormones, neurotransmitters, neurohormones.arrow_forwardPlease explain two distances of signalingarrow_forwardSignaling within organisms can occur using action potentials (short-term signaling) and/or hormones (long-term signaling). Identify situations where each type of signaling would be better. Describe why having a long-term signaling system is beneficial to organisms (2-3 sentences).arrow_forward
- Describe three ways in which a gradual increase inan extracellular signal can be sharpened by the target cellto produce an abrupt or nearly all-or-none response.arrow_forwardName the steps that occur when a signal binds to a receptor on a responding cell.arrow_forwardWhen a signaling molecule binds to a receptor located in the cell membrane, the signal / information is carried further into the cell via the receptor. The signal / information will lead to some type of change inside in cells in response to the signal it received. What this change is depends on the type of signaling molecule that binds to the cell (but may also depend on the type of cell that the signaling molecule binds to). In some cases, the change that takes place in the cell will be rapid and take a few seconds off that the signaling molecule binds to the receptor until the change takes place (fast signaling pathway). In some cases the change will take much longer, perhaps several hours from the time the signaling molecule binds to the receptor until the change occurs in the cell (slow signaling pathway). Explain how the signal path would be be able to look when it is fast and what it could look like when it is slow.arrow_forward
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Intro to Cell Signaling; Author: Amoeba Sisters;https://www.youtube.com/watch?v=-dbRterutHY;License: Standard youtube license