Biology

Biology, 30.07.2019 21:30, sistersaray

Unmyelinated axons have because the signal must make its way down the entire length of the axon.

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Physics, 24.06.2019 07:00, taylorannsalazar

Anerve signal is transmitted through a neuron when an excess of na+ ions suddenly enters the axon, a long cylindrical part of the neuron. axons are approximately 10.0 μm in diameter, and measurements show that about 5.60×1011 na+ ions per meter (each of charge +e) enter during this process. although the axon is a long cylinder, the charge does not all enter everywhere at the same time. a plausible model would be a series of nearly point charges moving along the axon. let us look at a 0.100 mm length of the axon and model it as a point charge.

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Biology, 30.06.2019 03:00, keegs40

Agroup of cells that carry out similar tasks in the cns are called a but a group of cells that carry out similar tasks in the pns are called a a group of axons that travel together in the cns are called a but a group of axons that travel together in the pns are called a in the cns is the type of nervous tissue made up of cell bodies, dendrites, and axon terminals (and some unmyelinated axons) while is the type of nervous tissue made up mostly of myelinated axons.

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Physics, 13.07.2019 17:10, LilLappyLOL

Lectric field of axons. a nerve signal is transmitted through a neuron when an excess of na+ ions suddenly enters the axon, a long cylindrical part of the neuron. axons are approximately 10.0 mm in diameter, and measurements show that about 5.6 * 1011 na+ ions per meter (each of charge +e) enter during this process. although the axon is a long cylinder, the charge does not all enter everywhere at the same time. a plausible model would be a series of point charges moving along the axon. consider a 0.10-mm length of the axon and model it as a point charge. (a) if the charge that enters each meter of the axon gets distributed uniformly along it, how many coulombs of charge enter a 0.10-mm length of the axon? (b) what electric field (magnitude and direction) does the sudden influx of charge produce at the surface of the body if the axon is 5.00 cm below the skin? (c) certain sharks can respond to electric fields as weak as 1.0 mn> c. how far from this segment of axon could a shark be and still detect its electric field?

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Unmyelinated axons have because the signal must make its way down the entire length of the axon....

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