Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 6.1, Problem 2C
Summary Introduction
To determine: The key role played by signal transduction in the signaling process.
Introduction: Cell is the fundamental unit of life. Cells communicate with each other by a process known as cell signaling. It is important for an organism to receive and respond to the stimulus. This helps in the growth, development, and function of the cells of multicellular organism.
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Ion channel-coupled receptors • G-protein-coupled receptors • Enzyme-linked receptors • Briefly describe what a G-protein is (explain by using the words GTPase, GTP and GDT) • Briefly describe how a G-protein-coupled receptor for the signal / information further into • Briefly describe how an enzyme-linked receptor carries the signal / information further into the cell.
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What are the locations of G-protein coupled receptors in animal cells, and how are they activated?• Describe a protein's activity when it is activated by a G protein.• Describe one method in which a cell's metabolic activity changes as a result of the activation of a G-protein coupled receptor.
Chapter 6 Solutions
Biology (MindTap Course List)
Ch. 6.1 - Describe the four main processes essential for...Ch. 6.1 - What is the sequence of events that takes place in...Ch. 6.1 - Prob. 2CCh. 6.2 - Compare three types of signaling molecules:...Ch. 6.2 - Prob. 1CCh. 6.2 - Prob. 2CCh. 6.2 - Prob. 3CCh. 6.3 - Identify mechanisms that make reception a highly...Ch. 6.3 - Prob. 4LOCh. 6.3 - Prob. 1C
Ch. 6.3 - Prob. 2CCh. 6.3 - Prob. 3CCh. 6.3 - Prob. 4CCh. 6.4 - Prob. 5LOCh. 6.4 - Trace the sequence of events in signal...Ch. 6.4 - How is an extracellular signal converted to an...Ch. 6.4 - Prob. 2CCh. 6.4 - Prob. 3CCh. 6.5 - Prob. 7LOCh. 6.5 - Prob. 8LOCh. 6.5 - Prob. 1CCh. 6.5 - Prob. 2CCh. 6.5 - Prob. 3CCh. 6.6 - Cite evidence supporting a long evolutionary...Ch. 6.6 - Prob. 1CCh. 6 - During signal transduction (a) the cell converts...Ch. 6 - When a signaling molecule binds with a receptor,...Ch. 6 - G proteinlinked receptors (a) inactivate G...Ch. 6 - Prob. 4TYUCh. 6 - Prob. 5TYUCh. 6 - Calcium ions (a) can act as second messengers (b)...Ch. 6 - When growth hormone binds to an enzyme-linked...Ch. 6 - Scaffold proteins (a) release kinases and...Ch. 6 - Prob. 9TYUCh. 6 - Prob. 10TYUCh. 6 - More than 500 genes have been identified in the...Ch. 6 - Prob. 12TYUCh. 6 - Prob. 13TYUCh. 6 - EVOLUTION LINK Cell signaling in plant and animal...Ch. 6 - EVOLUTION LINK Some of the same G proteinlinked...Ch. 6 - Prob. 16TYU
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- Create a diagram which illustrates the typical signaling mechanism of action of g protein coupled land possible routes of communication (autocrine etc.). Should show the specific molecules involved, the mechanisms of signal transduction and indicate the different pathways that are activated. It should include a specific example of a receptor, ligand and signalling pathway for each general class. Include as wide a variety of ligands and modes of action as you can. for a novel pathway.arrow_forwardDescribe the major features of the signal transduction pathways?arrow_forwardSignal propagates inside cells via • Feedback • Phosphorylation cascade • “Second messenger” • Describe the words above. Feel free to draw.arrow_forward
- Pane Create a diagram which illustrates the typical signalling mechanism of action of g protein coupled and possible routes of communication (autocrine etc.). Should show the specific molecules involved, the mechanisms of signal transduction and indicate the different pathways that are activated. It should include a specific example of a receptor, ligand and signalling pathway for each general class. Include as wide a variety of ligands and modes of action as you can. for a novel pathway. Superfamily Give the superfamily to which the receptor belongs Accession Give the Uniprot accession number Name Give the molecule name Species Give the species Ligand What is the ligand, or class of ligands which bind to this receptor? Key What are the physiological processes involved? Is this autocrine, physiological paracrine or endocrine or some combination of them? What is the pathology of the receptor? process involved What are the downstream actions of the receptor? Which molecules does it…arrow_forward• Compare and contrast the nervous system and endocrine system as communication pathways. • Describe the signal transduction pathway of lipid soluble messengers. • Discuss the different alpha subunits of various G proteins.arrow_forwardPlace the steps below in the correct order as they would occur within a signal transduction pathway. Drag and drop options into correct order and submit. For keyboard navigation... SHOW MORE ♥ An inactive signal transduction molecule is activated. A transcription factor enters the nucleus. An active signal transduction molecule binds a transcription factor. A gene is expressed. A receptor undergoes a conformational change. A ligand binds to a receptor. [3 Fuls Your answer II II II II IIarrow_forward
- Create a diagram which illustrates the typical signalling mechanism of action of nuclear receptors and possible routes of communication (autocrine etc.). Should show the specific molecules involved, the mechanisms of signal transduction and indicate the different pathways thgt are activated. It should include a specific example of a receptor, ligand and signalling pathway for each general class. Include as wide a variety of ligands and modes of action as you can. for a novel pathway. Superfamily Give the superfamily to which the receptor belongs Accession Give the Uniprot accession number Name Give the molecule name Species Give the species Ligand What is the ligand, or class of ligands which bind to this receptor? Key physiological What are the physiological processes involved? Is this autocrine, paracrine or endocrine or some combination of them? What is the pathology of the receptor? process involved Mechanism of What are the downstream actions of the receptor? Which molecules does…arrow_forwardDifferent types of signaling between cells Briefly describe the 6 different signal pathsarrow_forwardDuring signal transduction (a) the cell converts an extracellular signal into an intracellular signal that leads to a change in some cell process (b) a signaling molecule directly activates or represses several genes (c) each enzymecatalyzes production of one molecule of product (d) enzymes in the signal cascade remain active until the last component of the pathway alters a cellular process (e) the signal is terminated by cyclic AMParrow_forward
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