Energy metabolism is significantly influenced by . . . . . . .

Which of the following elements is not a macronutrient?

Which group represents micronutrients?

Mark the statements as true/false by choosing the correct option from the set $(I-IV)$ given below:
$I.$ Magnesium is a constituent of chlorophyll and helps to maintain the ribosome structure.
$II.$ Calcium is needed during the formation of mitotic spindle.
$III.$ Magnesium is essential for the photolysis of water.
$IV.$ Zinc helps in sugar translocation.

The essential mineral for the formation of body protein is

Identify the essential elements that are components of energy-related chemical compounds:
$(1)$ For chlorophyll
$(2)$ In $ATP$