Scelta multipla
Which part of a neuron contains the nucleus?
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9. Transport Across Membranes
Ion Channels and Neurons
Scelta multipla
In a typical neuron, which part contains the nucleus?
A
Myelin sheath
B
Axon terminal
C
Soma (cell body)
D
Nodes of Ranvier
Guida verificata passo dopo passo1
Understand the structure of a typical neuron, which consists of several key parts: the soma (cell body), axon, dendrites, myelin sheath, axon terminals, and nodes of Ranvier.
Recall that the nucleus, which contains the cell's genetic material, is located within the soma or cell body of the neuron.
Recognize that the myelin sheath is a fatty layer that insulates the axon to speed up electrical signal transmission, but it does not contain the nucleus.
Note that the axon terminal is the endpoint of the axon where neurotransmitters are released, and it also does not contain the nucleus.
Understand that the nodes of Ranvier are gaps in the myelin sheath along the axon that facilitate rapid signal conduction, but they do not house the nucleus either.
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