Biology: The Dynamic Science (MindTap Course List)
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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Chapter 39.1, Problem 3SB
Summary Introduction

To review:

The differences between chemical synapse and electrical synapse.

Introduction:

The signals are transmitted by neurons in the form of action potential. The plasma membrane of the neuron contains negative charge on the outer surface and positive charge in the inner surface due to which the membrane potential is generated. Upon exposure to a stimulus, the neurons open their sodium ion channels that depolarize the plasma membrane and generate an electrical wave. The wave travels along the length of the neuron and is transmitted in the dendrites of the next neuron. The signals are also transmitted in the form of chemical signals, in which neurotransmitters play an important role.

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