Proteins are essential building blocks of human body. They are built from unit molecules called amino acids and secondary units called peptides. The human body requires certain minimum ratio of protein to body mass to function effectively and efficiently. They serve as a body building molecules. Amino acids used in the building block of the proteins are obtained from plant and animal sources. Animal sources are considered a better quality protein because of the biological availability, protein efficacy, and a higher protein amino acid score. Animal proteins also have a larger proportion of the essential amino acids. Essential amino acids are those that the human body cannot manufacture and must be obtained from external sources. A perfect example is whey protein supplements. Certain components of the human body would not play their roles in the event of protein malnutrition. Infants for example who do not obtain colostrum from the mother is likely to be infected by several diseases. The brain for example, will perform at a less normal level in the absence of adequate proteins. This can lead to memory lapses or poor intellectual abilities. Proteins are used for repairing cells and in building new blocks. Where a human body (more…)
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