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What is protein?

What is protein?
Protein is the basic components of living cells,it made of carbon,hydrogen,nitrogen and one or more chain of amino acids.Like carbohydrate and fats protein is a macro nutrient it is commonly available in animal products,eggs, meat, milk,yoghurt etc,it also available in beens, nuts,legumes etc.Proteins makeup 15 % of a person's body weight  According to their structure there are three types of proteins are there,they are fibrous, globular,and membrane.Fibrous proteins forms muscle fibre,bones,connetive tissues and tendons,eg;actin,myosin,karatin.Globular protein is water soluble,they have so many functions in our body such as transporting,catalysing,and regulating ,eg; albumin,alphaglobin,hemoglobin etc.  According to their functions proteins are catagarised to eight groups,they are hormones, defensive proteins, enzymatic proteins,transport proteins,structural proteins,storage proteins,receptor proteins and contractile proteins. Hormones: are protein based secretion o…