Spectra of Chlorophyll. The graph below shows the absorption spectra of chlorophyll-a and chlorophyll-b, two important pigments involved in photosynthesis. Note that the spectra are not identical, but both pigments absorb in the blue-violet and red color ranges. Chlorophyll b Chlorophyll a 1 400 500 600 Wavelength [nm]
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Chlorophyll $a$ a. absorbs photons with wavelengths of $500-600 \mathrm{nm}$. b. reflects green light. c. has an absorption spectrum shifted toward green wavelengths. d. is considered an important accessory pigment.
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