In the choices below, which is not a correct pairing of a macronutrien – McqOptions

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1.	In the choices below, which is not a correct pairing of a macronutrient and the major functions it performs in the life of a plant?
A.	Potassium in enzyme activation, water balance, ion balance.
B.	Calcium in activity of embranes and cytoskeleton, secondary messenger.
C.	Sulphur in proteins and coenzymes.
D.	Iron in active sites of many redox enzymes and electron carriers.
Answer» E.

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