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Q&A Rigorous Science Meta
Rigorous Science
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Normally, the human retina contains four types of light-sensitive receptors: three types of cones and one type of rods. The receptor proteins contain the chromo "” iodopsin in the sticks, the rhodo...

5 answers  ·  posted 5y ago by French Thompson‭  ·  last activity 5y ago by French Thompson‭

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