Masteringbiology With Pearson Etext -- Valuepack Access Card -- For Human Biology: Concepts And Current Issues
8th Edition
ISBN: 9780134254906
Author: Johnson
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 3CR
Describe, in terms of the opening and closing of ion channels and the subsequent diffusion of ions, how the depolarization and repolarization phases of an action potential take place.
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Describe the events of an action potential in terms of ions and gates or channels beginning with the generation of a local potential through the re-establishment of resting membrane potential.
Describe the changes that occur during the depolarizationand repolarization phases of an action potential.
Chapter 11 Solutions
Masteringbiology With Pearson Etext -- Valuepack Access Card -- For Human Biology: Concepts And Current Issues
Ch. 11 - Do you see any change in the popularity of high...Ch. 11 - Prob. 2QCCh. 11 -
1. Distinguish between the central nervous system...Ch. 11 - Explain what is meant by summation of graded...Ch. 11 - Describe, in terms of the opening and closing of...Ch. 11 - Prob. 4CRCh. 11 - Prob. 5CRCh. 11 -
6. List the three major divisions of the brain...Ch. 11 - Prob. 7CRCh. 11 - Prob. 8CR
Ch. 11 - Prob. 9CRCh. 11 - Prob. 10CRCh. 11 -
1. Which of the following statements correctly...Ch. 11 - Prob. 2TYCh. 11 - Prob. 3TYCh. 11 - What do multiple sclerosis and ALS (amyotropic...Ch. 11 - All of the following are directly involved in...Ch. 11 - An__________ neurotransmitter causes________ of...Ch. 11 - Prob. 7TYCh. 11 - Prob. 8TYCh. 11 - Prob. 9TYCh. 11 - Prob. 10TYCh. 11 - Prob. 11TYCh. 11 - Prob. 12TYCh. 11 - Prob. 13TYCh. 11 - Prob. 14TYCh. 11 - Prob. 15TYCh. 11 -
1. Explain in terms of brain anatomy and function...Ch. 11 - Prob. 2AWKCh. 11 - Prob. 3AWKCh. 11 - Prob. 4AWKCh. 11 - Prob. 5AWKCh. 11 - Prob. 6AWKCh. 11 - Prob. 7AWKCh. 11 -
8. Certain bacteria, such as those that cause...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Define an action potential.arrow_forwardConformational changes in channel proteins brought about by voltage changes are responsible for opening and closing Na+ and K+ gates during the generation of an action potential. (True or false?)arrow_forwardDraw and label an action potential, indicating the ion movements responsible for the rising phase and the falling phase.arrow_forward
- Assume presynaptic excitatory neuron A terminates on a postsynaptic cell near the axon hillock and presynaptic excitatory neuron B terminates on the same postsynaptic cell on a dendrite located on the side of the cell body opposite the axon hillock. Explain why rapid firing of presynaptic neuron A could bring the postsynaptic neuron to threshold through temporal summation, thus initiating an action potential, whereas firing of presynaptic neuron B at the same frequency and the same magnitude of EPSPs may not bring the postsynaptic neuron to threshold.arrow_forwardWhen action potentials arrive at a synapse between a neuron and another cell, they stimulate the release of molecules of a ________ that diffuse over to that cell.arrow_forwardA common membrane-bound intermediary between the receptor and the effector protein within the plasma membrane is the __________________.arrow_forward
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