Question
The wavelength of light absorbed by Pr form of phytochrome is
-
640 nm
-
680 nm
-
720 nm
-
620 nm
Solution
B.
680 nm
When Pr absorbs red light (660- 665 nm) it is converted into Pfr form and when Pfr absorbs far red light (730-735 nm) it is converted into Pr form
