Question

Desribe the properties of phytochrome

Answer 1

Phytochrome is a photoreceptor a pigment that plants and some bacteria use to detect light .
Many flowering plants use it to control the time of flowering based on the length of the day and night .
biochemically a phytochrome is a protein with a billin chrmophore.
It reglates other responses incluidng the germination of seedsand elongation of seedlings. 

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