Calcium is a mineral micronutrient required in relatively small quantities compared with macronutrients. It contributes to bone and tooth structure, muscle contraction, nerve signaling, and other physiological processes. Carbohydrates, proteins, and fats are classified as macronutrients required in larger amounts.
Which of the following is a micro nutrient?
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Question context
This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.