Multiple Choice
How does halorhodopsin (NpHR) inactivate neurons?
A) Halorhodopsin is activated by blue light, which causes a nonselective cation current which allows more K+ efflux than Na+ influx, hyperpolarizing the neuron.
B) Halorhodopsin is activated by blue light, which results in increased permeability to chloride, effectively silencing the cells.
C) Halorhodopsin is activated by yellow light, which causes a nonselective cation current which allows more K+ efflux than Na+ influx, hyperpolarizing the neuron.
D) Halorhodopsin is activated by yellow light, which results in an increased transportation of chloride across the membrane, effectively silencing the cells.
Correct Answer:
Verified
Correct Answer:
Verified
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