Avoiding Surcharges. Because airlines charge a peak travel day surcharge on the most popular days of travel -- Sunday, Monday and Friday -- you can get the best discounts on those off-peak days. However, during the summer, peak and off-peak travel days do not really exist.
Proteins are essential nutrients for the human body. They are one of the building blocks of body tissue, and can also serve as a fuel source. As a fuel, proteins contain 4 kcal per gram, just like carbohydrates and unlike lipids, which contain 9 kcal per gram.
Without protein our body cannot function properly. Our body nerves, tissues, bones all are made up of proteins. So proteins become very necessary for them to grow and repair. It also used to produce some hormones and enzymes in our body .proteins are made up of amino acids.Our body produces non essential amino acids and also requires the essential amino acids which we take from the food.Amino acids are present in the proteins. It has been proved by the physicists that nearly 98% of our body atoms get replaced in a year.ur body produces non essential amino acids and also requires the essential amino acids which we take from the food. Amino acids are present in the proteins. It has been proved by the physicists that nearly 98% of our body atoms get replaced in a year.