Initiation of visual impulse is associated with
Ans. (b) Photoisomerization and hydrolysis of visual purple(Ref: Ganong, 25th ed/p. 179)On exposure to light, there is conversion of 11 cis retinal to All trans retinal (photoisomerization) and hydrolysis of visual pigment
Condensation of opsin with vitamin A aldehyde
Photoisomerization and hydrolysis of visual purple
| NADP
| NAD
Nervous System