Protein function helps during growth, maintenance, and building enzymes, hormones, and immunity. Therefore, the protein is often referred to as builder substances. Proteins are divided by two, ie, derived from animal and vegetable. Protein requirements in each individual is different. Protein-containing food sources include fish, eggs, meat, dairy, and nuts.

Not all parents know how many actually fit the required dose of the child. Since the excess nutrients are also not good for growing children.
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Most proteins form large structures within the cell termasuklah as enzymes and respiratory pigments. Proteins are formed from units principles that are recognized as ASID acids. Proteins may define into two types of fibrous proteins namely that much depends on the secondary structure of this protein shapes where it may be repeated.

When the second form is the globular proteins (enzymes and antibodies) that a lot depends on the interaction-free structure that there are 20 kinds of amino ASID is used to form the polypeptide chain (protein) function, shape, size and type of proteins will be determined by the type, number and a sprinkling of acid acids contained in such structures. Naming a few amino acids called revenge condensation with the enactment characterized peptide bond formation and the formation of water molecules.
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Fats, also called lipids, is a substance that is rich in energy, serves as the primary source of energy for the body’s metabolic processes. Fats that circulate in the body that is derived from two sources of food and production of liver, which can be stored in fat cells as energy reserves. The function of fat is as a source of energy, protective organ, cell formation, a source of essential fatty acids, fat soluble vitamins conveyances, conserve protein, give a sense of fullness and delicacy, as a lubricant, and maintain body temperature. Clinically, the fat that matters is:

There are four types of fat / lipid as described below:
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Fiber is coming from Cellulose, while cellulose is coming from carbohydrates. Fiber itself often comes from complex carbohydrates that we have discuss in earlier articles.

Fiber used to be used as and index in judging food quality. The higher amount of the fiber inside the food, then the nutrient values of the food is decreasing, its because fiber are consider as materials that is not digestible. But later, researchers agree that fiber are indeed needed by human, without it, it could result in constipation.
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We had discuss about carbohydrates in several previous articles, so lets have a look at its function. Generally there are six fundamental function of carbohydrates, lets start it from its main function as below:

1. Its main function as a source of energy (1 gram carbohydrates yield 4 calories) for the needs of the body’s tissue cells. Most of the carbohydrates converted directly into energy for body activities, the clan kept partly in the form of glycogen in the liver and in muscle. There are several body tissues such as nervous system and red blood cells, can only use the energy derived from carbohydrates alone.
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