Proteins are essential in the diet mainly because they supply
Correct answer: B. amino acids for the growth and repair of tissues
- A. the fastest source of energy
- B. amino acids for the growth and repair of tissues
- C. essential fatty acids
- D. dietary fibre
Explanation
Digested protein provides the amino acids the body reassembles into its own enzymes, hormones, antibodies and structural tissue, and this cannot be done from carbohydrate or fat. Growing children, pregnant women and patients recovering from injury therefore need more of it. Severe protein deficiency in children causes kwashiorkor even when energy intake is adequate.
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About Importance of Proteins
Proteins are polymers of amino acids joined by peptide bonds, and their biological roles depend on primary, secondary, tertiary and quaternary structure. Coverage includes enzymes, hormones, antibodies, transport proteins, muscle fibres and structural tissues, together with denaturation and the effects of heat, pH and chemicals.
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