Consider the following minerals -
- Calcium
- Iron
- Sodium
Which of the minerals given above is/are required by the human body for the contraction of muscles?
Detailed Explanation:
Calcium triggers muscle contraction by binding to troponin, which allows actin-myosin interaction.
Iron enables oxygen transport via myoglobin and supports ATP production in mitochondria for sustained muscle contraction.
Sodium maintains membrane potential and initiates action potentials that trigger muscle fiber contraction.
All three minerals (Calcium, Iron, Sodium) are essential for muscle contraction. Hence, option 4 is correct.
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Which one of the following is the process involved in photosynthesis?
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