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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Anup Padwal Best Answer
from Biochemistry, Animal and plant physiology. Biochemistry, 5th edition Jeremy M Berg, John L Tymoczko, and Lubert Stryer is the best book in which you can get number of examples of light sensitive pigment. below i am giving one sample topic other you should be able to read from suggested book. Rhodopsin absorbs light very efficiently in the middle of the visible spectrum, its absorption being centered on 500 nm, which nicely matches the solar output. A rhodopsin molecule will absorb a high percentage of the photons of the correct wavelength that strike it, as indicated by the extinction coefficient of 40,000 M-1cm-1 at 500 nm. The extinction coefficient for rhodopsin is more than an order of magnitude greater than that for tryptophan, the most efficient absorber in proteins that lack prosthetic groups. ask if still some query.