Manganese inhibits calcium translocation in.......

Which element shows the given characteristics?
$(i)$ It maintains an anion-cation balance in cells.
$(ii)$ It is also involved in protein synthesis.
$(iii)$ It is required for the opening and closing of stomata.
$(iv)$ It is required for the maintenance of the turgidity of cells.

What is the primary role of micronutrients in living organisms?

$A$ plant requires magnesium for

Phosphorus is a major constituent of:
$(1)$ Biological membranes
$(2)$ Nucleic acids
$(3)$ Cellular energy transfer systems
$(4)$ Protein synthesis

Which of the following is a major component of thiamine,biotin,coenzyme $A$,and ferredoxin?