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The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements is involved in this reaction?

  1. A
    Magnesium and Chlorine
  2. B
    Manganese and Chlorine
  3. C
    Manganese and Potassium
  4. D
    Magnesium and Molybdenum

Solution & Step-by-step Explanation

The splitting of water (photolysis) during the light reaction of photosynthesis is catalyzed by the Oxygen Evolving Complex (OEC), which requires Manganese (), Chlorine (), and Calcium () ions as essential cofactors.

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The oxygen evolved during photosynthesis comes from water molecules. Which one of the following pairs of elements is involved in this reaction?
A
Magnesium and Chlorine
B
Manganese and Chlorine
C
Manganese and Potassium
D
Magnesium and Molybdenum

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plant physiologyphotosynthesis

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