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Which of the following is/are most essential for growth and development?
Protein
Spices
High sugar
Salts
Protein
Proteins are the essential structural building blocks of the body, often referred to as 'body-building foods'. They are primarily composed of amino acids, which are required for the growth, repair, and maintenance of all body tissues.
Proteins are the essential structural building blocks of the body, often referred to as 'body-building foods'. They are primarily composed of amino acids, which are required for the growth, repair, and maintenance of all body tissues.
If the human body is a building, proteins are the bricks and mortar used to construct and repair the walls, whereas fats and carbohydrates are merely the electricity and heating fuel.
GROW: Get Repair Of Whole-body tissue.
n(C3тАЛH7тАЛNO2тАЛ)тЖТPolypeptide┬аchain+(nтИТ1)H2тАЛO тАФ General representation of peptide bond formation through dehydration synthesis.
Proteins undergo digestion into constituent amino acids, which are then absorbed into the bloodstream. These amino acids are synthesized by cells into specific functional or structural proteins based on genetic instructions (DNA/RNA transcription and translation). This process is vital for cellular division, enzymatic production, and the structural integrity of muscle fibers, connective tissues, and membranes.
Proteins are polymers of amino acids linked by peptide bonds.
The human body requires 20 different amino acids to function, 9 of which are 'essential' and must be obtained from the diet.
Protein deficiency leads to conditions like Kwashiorkor and Marasmus, specifically affecting growth in children.
Promotes muscle mass maintenance
Supports immune system function via antibody synthesis
Essential for hormone production and enzymatic activity
Excess protein intake places strain on kidneys due to nitrogenous waste filtration
Muscle repair after physical exercise
Repairing tissues after injury or surgery
Proteins provide 4 kcal/gram of energy, though their primary role is structural rather than energetic.
Option B (Spices) are flavoring agents, Option C (High sugar) causes metabolic spikes, and Option D (Salts) are electrolytes needed for osmosis but do not provide the material for tissue growth.
A is correct тАФ Proteins are the fundamental building blocks of life, responsible for the structural development and repair of body tissues.
In exams, always distinguish between 'Energy-giving' nutrients (Carbohydrates/Fats) and 'Body-building' nutrients (Proteins). Questions regarding 'growth' or 'development' almost exclusively point toward proteins.
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