Consider the following image that shows the membrane potential in a neuron when it is transmitting an electrical signal: 2 1 What does arrow "1" represent? The hyperpolarization potential The threshold potential The resting membrane potential The action potential

Consider the following image that shows the membrane potential in a neuron when it is transmitting an electrical signal: 2 1 What does arrow "1" represent? The hyperpolarization potential The threshold potential The resting membrane potential The action potential

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter4: Principles Of Neural And Hormonal Communication

Section: Chapter Questions

Problem 1RE: Conformational changes in channel proteins brought about by voltage changes are responsible for...

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Concept explainers

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.

Question

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Consider the following image that shows the membrane potential in a neuron when
it is transmitting an electrical signal:
2
1
What does arrow "1" represent?
The hyperpolarization potential
The threshold potential
The resting membrane potential
The action potential

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