The wavelength of light absorbed by Pr form of phytochrome is
Options
(a) 680 nm
(b) 720 nm
(c) 620 nm
(d) 640 nm
Correct Answer:
680 nm
Explanation:
The Pr form absorbs light between 660 to 680 nm and absorbs at a peak of 666 nm. It is the form synthesized in dark-grown seedlings. When Pr absorbs red light, it is converted to the Pfr form.