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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Which element is a central component of the chlorophyll molecule in plants?

    Question: Which element is a central component of the chlorophyll molecule in plants?

    Options:

    Iron
    Magnesium
    Zinc
    Manganese

    ✅Explanation:
    Magnesium is the central atom in the chlorophyll molecule, which is essential for photosynthesis. Chlorophyll absorbs light energy, primarily in the blue and red wavelengths, and plays a key role in converting light energy into chemical energy in plants. The magnesium ion in the center of the chlorophyll molecule coordinates with the surrounding carbon, nitrogen, and hydrogen atoms to form the complex structure that allows chlorophyll to function.

    🔑Key Points:
    -Plants are the producers and are autotrophic.
    -Plants use sunlight and carbon dioxide to form their food.
    -Plants have chloroplast that aids in photosynthesis.
    -Chloroplast comprises chlorophyll pigment that absorbs the light of 680-700nm wavelength.
    -The central element of chlorophyll is magnesium.
    -Chlorophyll consists of porphyrin rings.
    -The four pyrrole rings with nitrogen and magnesium form the porphyrin ring.
    -It also consists of a phytol tail.

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