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单词 porphyropsin
释义 por·phy·rop·sin
\ˌpȯ(r)fəˈräpsə̇n\ noun
(-s)
Etymology: Greek porphyra purple + English -opsin
: a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin both biologically and chemically and differs structurally only in having an additional double bond in the molecule and that is bleached by light to opsin and the retinene related to vitamin A2 and is regenerated in the dark
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更新时间:2025/3/16 9:58:34