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The figure below illustrates a model of a signal transduction cascade, initiated by the bind- ing of a ligand to a membrane-bound receptor. ligand A partial model of a signal transduction pathway. A B inactivated molecules C D receptor protein A Based on the figure, which of the following describes the most likely outcome of a mutation that changes the intracellular region of receptor protein A? activated molecule 1 activated molecule 2 activated molecule 3 The receptor will not activate molecule 1, but the activation of molecules 2 and 3 will continue at lower rates. Molecule 1 will not become activated, preventing the activation of molecules 2 and 3 and the subsequent cellular response. The ligand will not be able to bind the membrane-bound receptor, preventing the signal transduction pathway from initiating The ligand that binds to protein A will not enter the cell, preventing the cellular response from occurring.

The figure below illustrates a model of a signal transduction cascade, initiated by the bind- ing of a ligand to a membrane-bound receptor. ligand A partial model of a signal transduction pathway. A B inactivated molecules C D receptor protein A Based on the figure, which of the following describes the most likely outcome of a mutation that changes the intracellular region of receptor protein A? activated molecule 1 activated molecule 2 activated molecule 3 The receptor will not activate molecule 1, but the activation of molecules 2 and 3 will continue at lower rates. Molecule 1 will not become activated, preventing the activation of molecules 2 and 3 and the subsequent cellular response. The ligand will not be able to bind the membrane-bound receptor, preventing the signal transduction pathway from initiating The ligand that binds to protein A will not enter the cell, preventing the cellular response from occurring.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The figure below illustrates a model of a signal transduction cascade, initiated by the bind- ing of a ligand to a membrane-bound receptor. ligand A partial model of a signal transduction pathway A inactivated molecules B -receptor protein A D activated molecule 1 Based on the figure, which of the following describes the most likely outcome of a mutation that changes the intracellular region of receptor protein A? activated molecule 2 activated molecule 3 The receptor will not activate molecule 1, but the activation of molecules 2 and 3 will continue at lower rates. Molecule 1 will not become activated, preventing the activation of molecules 2 and 3 and the subsequent cellular response. с The ligand will not be able to bind the membrane-bound receptor, preventing the signal transduction pathway from initiating. The ligand that binds to protein A will not enter the cell, preventing the cellular response from occurring.
Transcribed Image Text:The figure below illustrates a model of a signal transduction cascade, initiated by the bind- ing of a ligand to a membrane-bound receptor. ligand A partial model of a signal transduction pathway A inactivated molecules B -receptor protein A D activated molecule 1 Based on the figure, which of the following describes the most likely outcome of a mutation that changes the intracellular region of receptor protein A? activated molecule 2 activated molecule 3 The receptor will not activate molecule 1, but the activation of molecules 2 and 3 will continue at lower rates. Molecule 1 will not become activated, preventing the activation of molecules 2 and 3 and the subsequent cellular response. с The ligand will not be able to bind the membrane-bound receptor, preventing the signal transduction pathway from initiating. The ligand that binds to protein A will not enter the cell, preventing the cellular response from occurring.
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