lowering its local concentration so it can no longer activate cGMP-dependent cation channels. This leads to the hyperpolarization of photoreceptor cells, changing the rate at which they release transmitters.

Deactivation

Meta II (metarhodopsin II) is deactivated rapidly after activating transducin by rhodopsin kinase and arrestin. Rhodopsin pigment must be regenerated for further phototransduction to occur. This

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