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BIO NMDCAT Conjugated molecules
nmdcat.online July 3, 2026

63. The function of the non-protein pigment group in the conjugated plant molecule phytochrome is to

A. Dissolve cellular membranes during cell division
B. Absorb specific wavelengths of light to regulate developmental processes
✓
C. Store nitrogen atoms inside vacuolar spaces
D. Transport carbon dioxide from roots to leaves

📝 Explanation

Phytochrome is a chromoprotein with a light-sensitive bilin prosthetic group that acts as a molecular switch for plant photomorphogenesis.

📖 Additional Information

  • Dissolve cellular membranes during cell division
  • Absorb specific wavelengths of light to regulate developmental processes
  • Store nitrogen atoms inside vacuolar spaces
  • Transport carbon dioxide from roots to leaves

Phytochrome is a chromoprotein with a light-sensitive bilin prosthetic group that acts as a molecular switch for plant photomorphogenesis.

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