Multiple Choice
Which specialized cell type generates and conducts nervous impulses (action potentials) in the nervous system?
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9. Transport Across Membranes
Ion Channels and Neurons
Multiple Choice
In a typical neuron, which part contains the nucleus and most of the cell’s organelles?
A
Dendritic spine
B
Cell body (soma)
C
Axon terminal (synaptic bouton)
D
Axon
Verified step by step guidance1
Understand the structure of a typical neuron, which consists of the dendrites, cell body (soma), axon, and axon terminals.
Recall that the nucleus and most of the cell's organelles are located in the part of the neuron responsible for maintaining cell functions and metabolism.
Identify that the dendritic spines are small protrusions on dendrites involved in receiving signals, but they do not contain the nucleus or most organelles.
Recognize that the axon is specialized for transmitting electrical impulses away from the cell body and generally lacks the nucleus and many organelles.
Conclude that the cell body (soma) contains the nucleus and most of the organelles, making it the central metabolic region of the neuron.
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