How many different kinds of photopigment molecules are present in the human retina?
A) two
B) three
C) four
D) five

Name: How many different kinds of photopigment molecules are present in the human retina? A) two B) three C) four D) five
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Question

Quizplus · Accepted Answer

The human retina contains four different kinds of photopigment molecules: one in rod cells (responsible for black-and-white vision in low light) and three in cone cells (responsible for color vision in brighter light).

How Many Different Kinds of Photopigment Molecules Are Present in the Human