Proteins, the most abundant biomolecules in living systems, are crucial for the structure and functions of life, required for growth and maintenance of the body. Chief sources of proteins in the diet include milk, cheese, pulses, peanuts, fish, and meat.
What is the significance of proteins in living systems, and what are the chief sources of proteins in our diet?
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Proteins play a crucial role in living systems, serving as structural components, enzymes, transporters, and signaling molecules. They are essential for cell function, growth, and repair. Dietary proteins provide amino acids, the building blocks for protein synthesis in the body. Chief sources of dietary proteins include animal products like meat, fish, dairy, and eggs, which provide complete proteins with all essential amino acids. Plant sources like beans, legumes, nuts, and grains offer incomplete proteins but can be combined to meet amino acid requirements. A balanced protein intake is vital for maintaining health and supporting the diverse functions of the body.