General Science • BiologyEasy
Which mineral element is a core metallic constituent of the chlorophyll molecule essential for photosynthesis?
A. Iron
B. Magnesium✓ Correct Answer
C. Calcium
D. Zinc
💡 Solution & Explanation
Magnesium sits at the heart of the porphyrin ring in chlorophyll molecules, enabling light absorption during the light-dependent reactions of photosynthesis. While iron is essential for the electron transport chain, it does not form the core of chlorophyll itself.
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