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yanamae yanamae
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6 years ago
Photopigments are molecules found in rods and cones that consist of
 
  a. two peptides and a sugar molecule.
  b. a carbon ring.
  c. a steroid ring.
  d. two fatty acid chains.
  e. an opsin and a retinal.
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wrote...
6 years ago
Answer: e. an opsin and a retinal.
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