Which of the following groups of macro-nutrients is a constituent of protein?
AGRICULTURE
WAEC 2007
Which of the following groups of macro-nutrients is a constituent of protein?
- A. nitrogen,phosphorus and sulphur
- B. calcium,magnesium and potassium
- C. magnesium,calcium and phosphorus
- D. sulphur,magnesium and potassium
Correct Answer: A. nitrogen,phosphorus and sulphur
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