Which of the following structures contains the other four items listed?Multiple ChoiceMotor end-platePresynaptic terminalReceptors on postsynaptic membraneSynaptic cleftNeuromuscular junction
Question
Which of the following structures contains the other four items listed?Multiple ChoiceMotor end-platePresynaptic terminalReceptors on postsynaptic membraneSynaptic cleftNeuromuscular junction
Solution
The structure that contains the other four items listed is the Neuromuscular junction.
Here's why:
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Motor end-plate: This is a part of the muscle fiber membrane that is directly across from the presynaptic terminal of the neuron. It is located within the neuromuscular junction.
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Presynaptic terminal: This is the end of the neuron that sends signals to the muscle fiber. It is part of the neuromuscular junction.
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Receptors on postsynaptic membrane: These are located on the motor end-plate and they receive signals from the presynaptic terminal. They are also part of the neuromuscular junction.
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Synaptic cleft: This is the small gap between the presynaptic terminal and the motor end-plate. It is also part of the neuromuscular junction.
So, the neuromuscular junction includes all of these structures.
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