Which of the following statements with regard to vision is FALSE?
A)Photoreceptors are neurons.
B)There are two basic types of photoreceptors in the retina,rods,and cones.
C)There are normally four different photopigments in the retina.
D)There are four different chromophore molecules in the retina.
E)There are four different opsins in the retina.

Question

Which of the following statements with regard to vision is FALSE?
A)Photoreceptors are neurons.
B)There are two basic types of photoreceptors in the retina,rods,and cones.
C)There are normally four different photopigments in the retina.
D)There are four different chromophore molecules in the retina.
E)There are four different opsins in the retina.

Quizplus · Accepted Answer

The statement that there are four different chromophore molecules in the retina is false. In human vision, there is primarily one type of chromophore molecule, retinal, which is bound to different types of opsins in the photoreceptors (rods and cones) to detect light.

Which of the Following Statements with Regard to Vision Is