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单词 phytochrome
释义

phytochrome

/ˈfʌɪtəkrəʊm /
noun [mass noun] Biochemistry
A blue-green pigment found in many plants, in which it regulates various developmental processes.This macroscopically observable reaction was identified to be coupled with light-induced processes of the photoreceptor phytochrome....
  • This is the opposite of the situation in higher plants, where red light activates and far-red light inactivates phytochrome.
  • The plant photoreceptor phytochrome exhibits remarkable structural and functional variabilities in the plant cell.

Origin

Late 19th century: from phyto- 'relating to plants' + Greek khrōma 'colour'.

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更新时间:2024/11/12 11:06:34