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Q8. The tips of neuronal axons communicate with neurotransmitters. These neurotransmitters need t the distance is about 0.001 times the length of the diffusion? Yes, because the neurotransmitters will want to re Yes, because the neurotransmitters are at high ca next to the receiving neuron.

Q8. The tips of neuronal axons communicate with neurotransmitters. These neurotransmitters need t the distance is about 0.001 times the length of the diffusion? Yes, because the neurotransmitters will want to re Yes, because the neurotransmitters are at high ca next to the receiving neuron.

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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Q8. The tips of neuronal axons communicate with other nerve cells by releasing small molecules called neurotransmitters. These neurotransmitters need to cross a very tiny pocket of fluid to reach the next neuron; the distance is about 0.001 times the length of the smallest axon in this lab. Could this happen through diffusion? Yes, because the neurotransmitters will want to reach their target neuron on the other side of the fluid pocket Yes, because the neurotransmitters are at high concentration near the diffusing axon and at low concentration next to the receiving neuron. No, because diffusing any distance takes a very long time, and neural communication has to happen rapidly. No, because diffusion does not work within very small spaces, only in large areas where there is room for the molecules to move.
Transcribed Image Text:Q8. The tips of neuronal axons communicate with other nerve cells by releasing small molecules called neurotransmitters. These neurotransmitters need to cross a very tiny pocket of fluid to reach the next neuron; the distance is about 0.001 times the length of the smallest axon in this lab. Could this happen through diffusion? Yes, because the neurotransmitters will want to reach their target neuron on the other side of the fluid pocket Yes, because the neurotransmitters are at high concentration near the diffusing axon and at low concentration next to the receiving neuron. No, because diffusing any distance takes a very long time, and neural communication has to happen rapidly. No, because diffusion does not work within very small spaces, only in large areas where there is room for the molecules to move.
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