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Proteins are needed in diet becauseA. all amino acids are not available in bodyB. during fasting, body utilises proteinsC. proteins act as building blocks of our bodyD. All of the above |
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Answer» Correct Answer - D Proteins are polymers of amino acids. These are divided into two categories, essential and non- essential amino acids. Essential amino acids cannot be synthesised in the body and therefore must be included in the diet. Proteins are used as structural components of tissues as channels, transporters, regulatory molecules and enzymes. Proteins can also be utilised as energy sources. Normally, this is a secondary function and becomes important only when there is not enough carbohydrate and fat in the body, e.g. during fasting. |
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