Biology Forums - Study Force

Which of the following is true of the relationship between the phytochrome system and the biological clock of plants?
A) The phytochrome system serves as the biological clock for plants.
B) The phytochrome system manufactures special cells that control the biological clock.
C) The phytochrome system detects light and resets the biological clock.
D) The biological clock detects light and sends the information to the phytochrome system.
E) There is no relationship between the phytochrome system and the biological clock.

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This helped a ton, thanks