Which one of the following statements is true for the phytochrome?

  • A
    Phytochrome is a phytohormone.
  • B
    Phytochrome is a photosynthetic pigment.
  • C
    Phytochrome is a pigment that controls growth,photomorphogenesis,and development of many plants.
  • D
    Phytochrome is a regulatory protein that controls several dark-dependent developmental processes.

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