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Home Q & A Board Science-Related Homework Help Psychology
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wqeywqorwerh wqeywqorwerh
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6 years ago
The primate retina contains
 
  A) two photopigments.
  B) three photopigments.
  C) one type of cone and three types of rods.
  D) only cones.
  E) only rods.
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ytrtryytrtry
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wqeywqorwerh Author
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6 years ago
Thank you, thank you, thank you!
hannahspillett
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Yesterday
You make an excellent tutor!
megan.xo
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2 hours ago
this is exactly what I needed
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