Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Textbook Question
Chapter 9.3, Problem 3CC
In the case of signaling pathways involving hormones, why is signal amplification an advantage?
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What key role does signal transduction play in the signaling process?
What type of signal transduction is involved in signaling from hormones such as estrogen and testosterone? Explain the signal transduction pathway that occurs.
1. Is there a short term description for signal transduction, instead wrting multiple words to descripte the type of signal transduction? Can I just identify it as active signal transduction and inactive signal transduction. Based on my understanding, active singal transduction is for the fast react transdcution, while inactive signal transduction meanly refers the hormonal affacts on the system.
2. For Ion channels, specific enzymes are both involed activated and inactivated signal transduction?
What is long distance and local signaling?
Chapter 9 Solutions
Biology
Ch. 9.1 - Figure 9.1 Response of a yeast cell to glucose....Ch. 9.1 - Prob. 1CSCh. 9.1 - Which type of signal, paracrine or endocrine, is...Ch. 9.1 - Prob. 3CCCh. 9.2 - Prob. 1CSCh. 9.2 - Prob. 2CSCh. 9.2 - Prob. 1CCCh. 9.3 - Prob. 1CSCh. 9.3 - Prob. 1CCCh. 9.3 - Prob. 2CC
Ch. 9.3 - In the case of signaling pathways involving...Ch. 9.5 - Prob. 1EQCh. 9.5 - Prob. 2EQCh. 9.5 - Prob. 3EQCh. 9.5 - Prob. 1CCCh. 9 - Prob. 1TYCh. 9 - Prob. 2TYCh. 9 - Prob. 3TYCh. 9 - Prob. 4TYCh. 9 - Prob. 5TYCh. 9 - The relay protein Ras is part of the EGF pathway...Ch. 9 - Prob. 7TYCh. 9 - Prob. 8TYCh. 9 - Prob. 9TYCh. 9 - Prob. 10TYCh. 9 - Prob. 1CQCh. 9 - Conceptual Questions What are the three stages of...Ch. 9 - Prob. 3CQCh. 9 - Prob. 1COQCh. 9 - Prob. 2COQ
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- How is an extracellular signal converted to an intracellular signal in signal transduction? Give a specific example.arrow_forwardExplain how a kinase cascade works. Why is this advantageous in the context of hormone signaling?arrow_forwardWhat is signal transduction? Illustrate and describe the molecular events in signal transduction pathways involving 1) G-protein-coupled receptors and 2) enzyme linked receptors.arrow_forward
- The cyclic AMP (second messenger) of signal transmission is very reactive and breaks down rapidly after synthesis. Why is this important to the signal-transmission process?arrow_forwardWhat is the main benefit of cell signaling via direct physical contact and cell signaling over short distances (ex: nerve cell signaling)?arrow_forwardWhat is the benefit of using second messangers and phosphorylation cascades during the transduction step of cell signaling?arrow_forward
- What is allosteric regulation? Describe HOW allosteric regulation acts like an “on/off” switch for signal pathway receptors and WHY it is important to be able to turn a receptor off.arrow_forwardWhat is one advantage of signal transduction being a pathway (several steps)?arrow_forwardwhen kidney cells secrete low levels of oxygen in the blood they secrete erythropoietin. in this particular signaling pathway (response to low oxygen) the secretion of erythropoietin represents which step of the signal transdution process?arrow_forward
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