Which of the following mineral activates the enzymes of respiration and photosynthesis and is involved in the synthesis of DNA and RNA?
A. Sulphur and iron
B. Nitrogen and phosphorus
C. Magnesium and manganese
D. Potassium and calcium
Answer:C
Which of the following mineral activates the enzymes of respiration and photosynthesis and is involved in the synthesis of DNA and RNA?
A. Sulphur and iron B. Nitrogen and phosphorus C. Magnesium and manganese D. Potassium and calcium