出典:Wikipedia
出典:『Wikipedia』 (2011/07/23 07:57 UTC 版)
Retinal, also called retinaldehyde or vitamin A aldehyde, is one of the many forms of vitamin A (the number of which varies from species to species). Retinal is a polyene chromophore, and bound to proteins called opsins, is the chemical basis of animal vision. Bound to proteins called type 1 rhodopsins, retinal allows certain microorganisms to convert light into metabolic energy.
procathedral
the organ of sight
a mirror
sceleritis
splanchnotomy
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