1) Sensory receptor
Found on
https://www.crosswordclues.com/clue/phytochrome
Phytochrome is a photoreceptor, a pigment that plants use to detect light. It is sensitive to light in the red and far-red region of the visible spectrum. Many flowering plants use it to regulate the time of flowering based on the length of day and night (photoperiodism) and to set circadian rhythms. It also regulates other responses including the...
Found on
http://en.wikipedia.org/wiki/Phytochrome
(from the article `botany`) The discovery of the pigment phytochrome, which constitutes a previously unknown light-detecting system in plants, has greatly increased knowledge of ... ...especially important roles in green plants. Among them are the blue phycocyanins and the red phycoerythrins, which serve, in red algae, as ... ...depe...
Found on
http://www.britannica.com/eb/a-z/p/63
Plant pigment protein that absorbs red light and then initiates physiological responses governing light sensitive processes such as germination, growth and flowering. Exists in two forms, Pr and Pfr, that are interconverted by light. ... (18 Nov 1997) ...
Found on
http://www.encyclo.co.uk/local/20973
Plant pigment protein that absorbs red light and then initiates physiological responses governing light-sensitive processes such as germination, growth and flowering. Exists in two forms, Pr and Pfr, that are interconverted by light.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
A light-sensitive protein pigment involved in the photoperiodic response.
Found on
https://www.encyclo.co.uk/local/22581
No exact match found.
