The answer is (c) Magnesium
Because it makes up the center atom of chlorophyll, magnesium is crucial to the process of photosynthesis
- Chlorophyll and several other electron transport proteins must be made from iron.
- During the process of photosynthesis, manganese is needed to photolyze water.
- Copper is a vital cofactor for several metalloproteins and is involved in a wide range of physiological activities.
- Excess copper limits plant development and damages vital cellular functions including photosynthetic electron transport when it is present in cells.
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