Which of the following minerals activate the enzymes involved in respiration?

Options

A. Nitrogen and phosphorus
B. Magnesium and manganese
C. potassium aned calcium
D. Sulphur

Answer

B

Explanation

Magnesium activates the enzymes of respiration, photosynthesis and is involved in the synthesis of DNA and RNA. Manganese activates many enzymes which are involved in photosynthesis, respiration and nitrogen metabolism.