What are Opsins and What are They a Part Of

Question

What are opsins and what are they a part of?
A) membrane lipids that form a complex with a retinal molecule at the centre
B) membrane proteins that form a complex with a retinal molecule at the centre
C) retinal molecules that form a complex with membrane proteins at the centre
D) retinal molecules that form a complex with membrane lipids at the centre

Accepted Answer

Opsins are membrane proteins that form a complex with a retinal molecule at the centre, playing a crucial role in the photoreception mechanism of the eye.