Biology - Study Guide
8th Edition
ISBN: 9780321501561
Author: Martha R. Taylor
Publisher: PEARSON EDUCATION (COLLEGE)
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Chapter 11, Problem 3SYK
Some signaling pathways alter a protein’s activity; others result in the production of new proteins. Explain the mechanisms for these two different responses.
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Chapter 11 Solutions
Biology - Study Guide
Ch. 11 - How do plant hormones (often called plant growth...Ch. 11 - Prob. 2IQCh. 11 - Label the parts in the following diagram of an...Ch. 11 - Prob. 4IQCh. 11 - a. What does a protein kinase do? b. What is a...Ch. 11 - Prob. 6IQCh. 11 - Prob. 7IQCh. 11 - Prob. 8IQCh. 11 - a. What can one conclude from the fact that the...Ch. 11 - Prob. 1SYK
Ch. 11 - Briefly describe the three stages of cell...Ch. 11 - Some signaling pathways alter a proteins activity;...Ch. 11 - Prob. 4SYKCh. 11 - Prob. 1TYKCh. 11 - Steroid hormones a. bind to cell-surface...Ch. 11 - Prob. 3TYKCh. 11 - Prob. 4TYKCh. 11 - Which of the following is a key difference between...Ch. 11 - Many human diseases (including bacterial...Ch. 11 - Prob. 7TYKCh. 11 - If a protein is activated by the addition of a...Ch. 11 - Prob. 9TYKCh. 11 - Prob. 10TYKCh. 11 - From studying the effects of epinephrine on liver...Ch. 11 - You are a Ca2+ ion in a typical animal cell. Where...Ch. 11 - Which of the following molecules is incorrectly...Ch. 11 - Prob. 14TYKCh. 11 - Prob. 15TYK
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- Second-messenger systems ultimately bring about the desired cell response by inducing a change in the shape and function of particular designated intracellular proteins. (True or false?)arrow_forward. If a cell has an excess of a subunits, what is likely to happen to signaling pathways that act through Gbg complexes?arrow_forwardA cellular response occurs when a signal transduction pathway is activated in animals. Explain two forms of cellular responses that may arise as a result of paracrine or endocrine signaling.arrow_forward
- Why do signaling responses that involve changesin proteins already present in the cell occur in millisec-onds to seconds, whereas responses that require changesin gene expression require minutes to hours?arrow_forwardMost hormones, such as peptide hormones, exert their effects by binding to cell- surface receptors. However, steroid hormones do so by binding to cytosolic receptors. How is this possible?arrow_forwardTo move in a specific direction, a migrating cell must use extracellular cues to establish which portion of the cell will act as the front and which will act as the back. Describe how small GTPase proteins appear to be involved in the signaling pathways used by migrating cells to determine direction of movement.arrow_forward
- Describe signaling pathways involving intracellular receptors (. Then, explain why a ligand would use an intracellular receptor as opposed to a transmembrane receptorarrow_forwardin the insulin signaling pathway, the function of the PIP3-dependent Protein Kinase-1 is to add a __ group to the enzyme __ , which activates that enzyme.arrow_forwardA cell signaling molecule that triggers an effect only in the vicinity of the cell secreting is is an example of ?arrow_forward
- Which components of the phosphoinositide signaling system are soluble and which are associated with the membrane?arrow_forwardDescribe signaling pathways involving intracellular receptors. Then, explain why a ligand would use an intracellular receptor as opposed to a transmembrane receptarrow_forwardWhat is the benefit of using second messangers and phosphorylation cascades during the transduction step of cell signaling?arrow_forward
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Intro to Cell Signaling; Author: Amoeba Sisters;https://www.youtube.com/watch?v=-dbRterutHY;License: Standard youtube license