What Happens to Neurons in the Approach Known as Optogenetics

Multiple Choice

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.