Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Question
Chapter 9.3, Problem 6SB
Summary Introduction
To review:
The function of the ligand-gated ion channel.
Introduction:
Ion channels are present in the plasma membrane of a cell. They permit ions to pass through the channel pore. They participate in the establishment of the resting membrane potential as well as in building action potentials across the membrane. They are classified on a variable basis, like the type of gating, type of ions and the type of cellular localization. The types of ion channels based on the gating system are voltage-gated channels and ligand-gated channels.
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Chapter 9 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 9.1 - What accounts for the specificity of a cellular...Ch. 9.2 - Prob. 1SBCh. 9.2 - Prob. 2SBCh. 9.3 - Prob. 1SBCh. 9.3 - Prob. 2SBCh. 9.3 - Prob. 3SBCh. 9.3 - Prob. 4SBCh. 9.3 - Prob. 5SBCh. 9.3 - Prob. 6SBCh. 9.4 - What distinguishes a steroid receptor from a...
Ch. 9.4 - By what means does a specific steroid hormone...Ch. 9.5 - Prob. 1SBCh. 9 - In signal transduction, which of the following is...Ch. 9 - Which of the following could not elicit a signal...Ch. 9 - A cell that responds to a signaling molecule is...Ch. 9 - Prob. 4TYKCh. 9 - Prob. 5TYKCh. 9 - Which of the following is incorrect about pathways...Ch. 9 - Which of the following would not inhibit signal...Ch. 9 - Prob. 8TYKCh. 9 - Prob. 9TYKCh. 9 - Prob. 10TYKCh. 9 - Discuss Concepts Describe the possible ways in...Ch. 9 - Discuss Concepts Is providing extra insulin an...Ch. 9 - Discuss Concepts There are molecules called GTP...Ch. 9 - Discuss Concepts Why do you suppose cells evolved...Ch. 9 - How would you set up an experiment to determine...Ch. 9 - Prob. 16TYKCh. 9 - Prob. 1ITDCh. 9 - Prob. 2ITDCh. 9 - Prob. 3ITD
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- How do A G protein directly gates the ion channel?arrow_forwardWhich statement is TRUE regarding the Na+ voltage-gated channel in neurons? A) Similar to the potassium ion channel, it exists as a tetramer in the membrane. B) Aspartate residues are part of the voltage-sensing helices. C) Positive membrane potentials on the extracellular side will close the channel. D) Ion specificity comes from the voltage-sensing helices.arrow_forwardHow do leak channels contribute to resting membrane potential?arrow_forward
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