Author Question: Photopigments are molecules that consist of A) two peptides and a sugar molecule. B) an opsin ... (Read 73 times)

elizabeth18 · **on:** Jun 22, 2018

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 2

A disease that attacks the photoreceptors of the fovea would be expected to

A) impair night vision.
B) disrupt color vision.
C) impair eye movements.
D) impair vision for detection of movement.
E) produce blurry images.

paavo · **Reply #1 on:** Jun 22, 2018

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B Rationale: A disease that attacks the photoreceptors of the fovea would be expected to disrupt color vision.