Which minerals are associated with teeth and bones in animals?

Analogous type questions:
$(1)$ Macronutrient : Nitrogen :: Micronutrient : ....
$(2)$ Carboxylase : Zinc :: Nitrogenase : .......

Which of the following is not a physiological role of potassium?

Select the correct option for the following table:

Column $I$	Column $II$
$(A)$ Chlorine	$(i)$ Important for $ATP$ and carbohydrate synthesis
$(B)$ Calcium	$(ii)$ Synthesis of hemoglobin and chlorophyll
$(C)$ Magnesium	$(iii)$ Essential for nucleic acid synthesis
$(D)$ Zinc	$(iv)$ Required for muscle contraction
$(E)$ Copper	$(v)$ Plays an important role in $CO_2$ transport
	$(vi)$ Required for the splitting of water

Read the functions given below and identify the concerned nutrient.
$I.$ Activator of catalase
$II.$ Important constituent of cytochrome
$III.$ Important constituent of proteins involved in $ETS$
$IV.$ Essential for chlorophyll synthesis

Which element is required in large amounts in comparison to other micronutrients and is also a constituent of proteins involved in the transfer of electrons,such as ferredoxin and cytochromes?