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Biology 21 Online
OpenStudy (anonymous):

For photoperiodism to occur a plant must use which of the following photosensitive pigments?

OpenStudy (anonymous):

What are the possible answers?

OpenStudy (anonymous):

hold on im going

OpenStudy (anonymous):

Okay

OpenStudy (anonymous):

A.polychrome B.phytochome C.photochome

OpenStudy (anonymous):

http://en.wikipedia.org/wiki/Phytochrome Phytochrome.

OpenStudy (anonymous):

Phytochrome is a photoreceptor, a pigment that plants use to detect light. It is sensitive to light in the red and far-red region of the visible spectrum. Many flowering plants use it to regulate the time of flowering based on the length of day and night (photoperiodism) and to set circadian rhythms.

OpenStudy (anonymous):

o thanks @SummerNS

OpenStudy (anonymous):

No problem.

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