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What is the Definition for graded potential and action potential

What is the Definition for graded potential and action potential

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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What is the Definition for graded potential and action potential
resting membrane potential Membrane potential of a cell at rest. It is usually about - 70 to -90 MV, depending on the cell Depolarization Repolarization ited States) graded potential action potential 18. When given a graph of an action potential (such as in the motor neuron below), be able to identify the following: ● resting membrane potential • depolarization to threshold Depolarization to threshold Membrane potential that moves towards positive usually occurs when + lons move into a cell Resting membrane+ potential Membrane potential returns negative usually occurs when + ions move out of the cell Membrane potential(millivolts) +30 0 -65 0 • depolarization to peak of AP repolarization. 1 2 3 Time (milliseconds) Depolarization to peak of AP Realization 19. Identify the two major types of channels that open and close during an action potential in a neuron (see images below). the voltage-gated Na* channel and the voltage-gated Focus
Transcribed Image Text:resting membrane potential Membrane potential of a cell at rest. It is usually about - 70 to -90 MV, depending on the cell Depolarization Repolarization ited States) graded potential action potential 18. When given a graph of an action potential (such as in the motor neuron below), be able to identify the following: ● resting membrane potential • depolarization to threshold Depolarization to threshold Membrane potential that moves towards positive usually occurs when + lons move into a cell Resting membrane+ potential Membrane potential returns negative usually occurs when + ions move out of the cell Membrane potential(millivolts) +30 0 -65 0 • depolarization to peak of AP repolarization. 1 2 3 Time (milliseconds) Depolarization to peak of AP Realization 19. Identify the two major types of channels that open and close during an action potential in a neuron (see images below). the voltage-gated Na* channel and the voltage-gated Focus
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