When Light of Suitable Wavelength Strikes a Photoreceptor,the Photopigment (Absorbs

question 221

Short Answer

When light of suitable wavelength strikes a photoreceptor,the photopigment (absorbs or reflects)the light,causing the photopigment to (dissociate or regenerate).This photopigment transformation acts through a second messenger system to cause Na⁺ channels in the outer segment to (open or close).Subsequently,the photoreceptor (depolarizes or hyperpolarizes),which results in a(n)(increase or decrease)in release of an (excitatory or inhibitory)transmitter from its synaptic terminal.

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