Plant seedlings will respond to a single burst of light by making chlorophyll. Phytochrome is a blue-green pigment that helps plants adapt to the changing light conditions of day/night and seasons.
Phytochrome influences the transcription of genes responsible for germination, stem elongation, branching, leaf expansion, and formation of flowers, fruits, and seeds depending on the season.
REVIEW:The signaling molecule that allows plants to make responses to changing light conditions is
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