Which of the following groups of macro-nutrients is a constituent of protein?

Assessment: WAEC SSCE - Agricultural Science - 2007 (Objective) Subject: Agricultural Science

Question 1 Report

Which of the following groups of macro-nutrients is a constituent of protein?
Answer Details
The group of macro-nutrients that is a constituent of protein is nitrogen, phosphorus, and sulfur. Proteins are made up of building blocks called amino acids, which consist of nitrogen, carbon, hydrogen, and oxygen. Nitrogen is a key component of amino acids, and it is obtained by plants through the soil in the form of nitrate or ammonium. Phosphorus and sulfur are also important components of amino acids and are necessary for the synthesis of proteins in plants. Therefore, the correct option is nitrogen, phosphorus, and sulfur.

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