What happens to neurons in the approach known as optogenetics?
A) Mutations to ion channel proteins are corrected.
B) The neurons are made to express light-sensitive ion channels.
C) Neurotransmitter stores are depleted.
D) Fusion of neurotransmitter vesicles to the presynaptic membrane is blocked.
E) Leakage of cytoplasmic polyanions is blocked.
Answer: B
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a. true b. false
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