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Which one of the following statements i...

Which one of the following statements is not correct?

A

Retinal is the light absorbing portion of visual photo pigments

B

In retina the rods have the photopigment rhodopsin while cones have three different photopigments

C

Retinal is a derivative of vitamin C

D

Rhodopsin is the purplish red protein present in rods only.

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