Photopigments are molecules that consist of
A) two peptides and a sugar molecule.
B) an opsin and a retinal.
C) a steroid ring.
D) two fatty acid chains.
E) a carbon ring and a phenyl ring.

Question

Quizplus · Accepted Answer

Photopigments consist of an opsin, which is a protein, and a chromophore called retinal. The opsin determines the wavelength sensitivity of the photopigment, while the retinal absorbs light and undergoes a conformational change, leading to the activation of the photopigment.

Photopigments Are Molecules That Consist of