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Is phytochrome a hormone?What are some of the major differences in action between phytochrome and auxin?

microB

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Is phytochrome a hormone?What are some of the major differences in action between phytochrome and auxin?

Is phytochrome a hormone?What are some of the major differences in action between phytochrome and auxin?

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mido1770

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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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