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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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microB microB
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11 years ago
Is phytochrome a hormone?What are some of the major differences in action between phytochrome and auxin?
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micro1micro1
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11 years ago
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11 years ago
Phytochrome is a chromoprotein whose state is influenced by light. It is mainly produced in darkness and exists first of all as PR (or P660; P is the abbreviation of phytochrome, R means reduced).
Phytochrome is the photoreceptor that activates the de-etiolation (and many other) responses to red light and Phytochrome is a protein with a pigment molecule covalently bound
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