Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Question
Chapter 8.1, Problem 2CC
Summary Introduction
To determine:
Whether the paracrine or endocrine signal is likely to exist for a longer period of time with an explanation of the reason.
Introduction
Receptors can bind only with their specific molecules. So, message molecules are fit together with their receptors like a key in a lock. The importance of this linkage is that only those cells would respond to the signals that have the receptors for message molecules. The appropriate binding of the message molecule and receptors would initiate a chain of reactions in specific target cells that helps the cell to respond to the message.
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Chapter 8 Solutions
Principles of Biology
Ch. 8.1 - What is the signaling molecule in this example?Ch. 8.1 - Prob. 2CCCh. 8.1 - Prob. 3CCCh. 8.1 - A general reason for cell signaling is to respond...Ch. 8.1 - Prob. 2TYKCh. 8.1 - Prob. 3TYKCh. 8.2 - Prob. 1BCCh. 8.2 - Prob. 1TYKCh. 8.2 - Prob. 2TYKCh. 8.3 - Prob. 1CC
Ch. 8.3 - What has to happen for the a and subunits of the...Ch. 8.3 - Prob. 1TYKCh. 8.3 - After a G-protein-coupled receptor is activated,...Ch. 8.4 - Prob. 1TYKCh. 8.5 - Look ahead to Figures 13.9 and, in particular,...Ch. 8.5 - Prob. 1TYKCh. 8.5 - Prob. 2TYKCh. 8.6 - Prob. 1CCCh. 8.6 - Prob. 2CCCh. 8.6 - Prob. 3CCCh. 8.6 - Prob. 1TYKCh. 8.6 - Prob. 2TYKCh. 8 - Prob. 1TYCh. 8 - Prob. 2TYCh. 8 - Prob. 3TYCh. 8 - Prob. 4TYCh. 8 - Which of the following is not an example of a cell...Ch. 8 - Prob. 6TYCh. 8 - The EGF receptor functions as a receptor tyrosine...Ch. 8 - Prob. 8TYCh. 8 - Prob. 9TYCh. 8 - The benefit of second messengers in signal...Ch. 8 - Prob. 1CCQCh. 8 - Prob. 2CCQCh. 8 - Prob. 3CCQCh. 8 - Discuss and compare several different types of...Ch. 8 - Prob. 2CBQ
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- Please explain two distances of signalingarrow_forwardCell signals with short effects ONLY on the cell which produced the signal in the first place are? a. juxtacrine b. autocrine c. paracrine d. endocrinearrow_forwardSignals carried by hormones must eventually be terminated. Describe several different mechanisms for signal termination.arrow_forward
- What accounts for the specificity of a cellular response to a signal molecule?arrow_forwardParacrine signaling is characterized by ligands that are __________. produced by the cell itself secreted by neighboring cells secreted by distant cells transported to distant cells secreted in inactive formarrow_forwardThe two major types of cell-surface receptors that bind tohormone molecules are G-protein linked receptors and_____________________.arrow_forward
- Describe the concept of a stress activated signaling pathway using an example from the lectures. Explain the role of sensors, transduction pathways, transcription factors and cis-Elements.arrow_forwardThe binding of small amounts of hormones to target cell receptors triggers an intricate signal cascade. Why is the signal cascade necessary? Why not just have a simple molecularmechanism between the hormone and cellular effect?arrow_forwardWhat is the benefit of using second messangers and phosphorylation cascades during the transduction step of cell signaling?arrow_forward
- What happen when the signal is not terminated?arrow_forwardcompare and contrast the signaling events involved with the second messanger camp and IP3arrow_forwardWhy do some types of signal molecules (first messengers) need to use second messengers to cause a response in the target cell? What are the advantages of this type of signaling mechanism?arrow_forward
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Intro to Cell Signaling; Author: Amoeba Sisters;https://www.youtube.com/watch?v=-dbRterutHY;License: Standard youtube license