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4 years ago
Which of the following rows correctly completes the following statement about synaptic transmission?

The neurotransmitters contained in vesicles enter the synaptic cleft via __A______ to attach to receptor proteins in the postsynaptic membrane. Once the postsynaptic neuron has been stimulated, the neurotransmitters return via ____B_____.

Select one:
a.
 A    B
 Binding    Exocytosis
b.
 A    B
 Endocytosis    Enzymatic breakdown
 c.
 A    B
 Exocytosis    Endocytosis
d.
 A    B
 Exocytosis    Binding

Question 35
Question text
Diisopropyl fluorophosphate is an insecticide that works by binding with cholinesterase enzyme.

Which of the following statements does NOT describe the function of diisopropyl fluorophosphate correctly?

Select one:
a. It blocks the acetylcholine receptor in the postsynaptic membrane.
b. It causes acetylcholine to accumulate in the synapse.
c. It causes acetylcholine to continuously contract the diaphragm or heart muscle, which leads to death.
d. It causes muscle fatigue and paralysis to occur as muscle contraction cannot be suppressed.
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bio_manbio_man
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