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Pigments of Photosynthesis definitions Flashcards

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Pigments of Photosynthesis definitions
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  • Accessory Pigments


    Pigments that absorb light wavelengths not absorbed by chlorophyll a, aiding in photosynthesis by capturing additional light energy. Examples include chlorophyll b and carotenoids.

  • Absorption Spectrum


    A graph showing the wavelengths of light absorbed by different pigments, indicating which wavelengths are absorbed and which are not.

  • Action Spectrum


    Graph showing the rate of photosynthesis at different wavelengths, indicating which wavelengths are most effective for the process.

  • Carotenoids


    Accessory pigments that absorb light in the 350-525 nm range, reflecting yellow and orange light, aiding photosynthesis by capturing wavelengths chlorophyll a cannot.

  • Chlorophyll-a


    The primary pigment in photosynthesis, absorbing light mainly in the blue-violet and red wavelengths, crucial for converting light energy into chemical energy.

  • Chlorophyll-b


    An accessory pigment in photosynthesis that absorbs light in the blue and red-orange wavelengths, complementing the absorption spectrum of chlorophyll a.

  • Wavelengths


    The distance between successive peaks of a light wave, determining its color and energy, crucial for understanding light absorption in photosynthesis.

  • Light Spectrum


    Range of electromagnetic radiation visible to the human eye, crucial for photosynthesis, where different pigments absorb specific wavelengths to capture light energy.

  • Pigments


    Molecules that absorb specific wavelengths of light, aiding in photosynthesis by capturing energy from light that the primary pigment, chlorophyll a, cannot absorb.