Multiple Choice
An influx of calcium at the synapse causes what to happen?
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9. Transport Across Membranes
Ion Channels and Neurons
Multiple Choice
In a typical neuron, the cell body (soma) contains which of the following structures?
A
Nodes of Ranvier
B
Synaptic cleft
C
Myelin sheath
D
Nucleus
Verified step by step guidance1
Step 1: Understand the structure of a typical neuron, which consists of the cell body (soma), dendrites, and axon.
Step 2: Identify the components located specifically within the cell body (soma). The soma contains the nucleus, cytoplasm, and various organelles responsible for cellular functions.
Step 3: Recognize that the Nodes of Ranvier are gaps in the myelin sheath along the axon, not part of the soma.
Step 4: Know that the synaptic cleft is the small gap between neurons at the synapse, not a structure inside the soma.
Step 5: Understand that the myelin sheath is a fatty layer that surrounds the axon to insulate it, and is not found inside the soma.
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