proteins PROTEINS. Protein is one of the three main classes of food that provide goofball egg to the body. The others be carbohydrates and fats. Proteins exist in every prison house cell and are essential to plant and animal life. Plants hit proteins from materials in the aerate and the soil. Human beings and animals obtain proteins from food. Foods high in protein include cheese, eggs, fish, and milk. entirely proteins condition carbon, hydrogen, nitrogen, and oxygen. Some proteins also contain iron, phosphorus, and suffur. Proteins are huge complex molecules made up of littler units called amino acids. Proteins wreak up a large calve of each cell in the human body.

Therefore, they are all important(predicate) in building, maintaining, and repairing tissues in the human body, especially bone cartilage and muscle. The body obtains just slightly of its postal code from carbohydrats and fats. that the body uses proteins for energy when carbohydrates and fats cannot meet its energy needs. Proteins produce about 1,800 calories of ener...If you want to get a expert essay, order it on our website:
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