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Retinal

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Retinal Eyes vs Compound Eyes

Retinal is also known as retinaldehyde. It was originally called retinene, and renamed after it was discovered to be vitamin A aldehyde. Retinal is one of the many forms of vitamin A. Retinal is a polyene chromophore, bound to proteins called opsins, and is the chemical basis of animal vision. Retinal allows certain microorganisms to convert light into metabolic energy.
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  • Vitamin A metabolism 

  • Vision 

  • Microbial rhodopsins 

  • History