Discuss structure of phytochrome, its properties and describe phytochrome- mediated responses.
Answers
Answered by
1
Answer:
Structure. Phytochromes consist of a protein, covalently linked to a light-sensing bilin chromophore. The protein part comprises two identical chains (A and B). ... Together, these subunits form the phytochrome region, which regulates physiological changes in plants to changes in red and far red light conditions.
Answered by
2
Answer:
Many photomorphogenic responses in plants are known to be mediated by phytochrome. It is a proteinaceous pigment that acts as a photoreceptor and absorbs red and far-red light. It also absorbs blue light. ... High Irradiance Responses- These require prolonged exposure to light of high irradiance.
Similar questions