Proteins are made up of chains of amino acids bound by bonds called peptide bond. There are some 22 different known amino acids which can compose proteins. There...
Cholesterol refers to a subclass of lipids known as steroids. Cholesterol is also the molecule from which steroid hormones and bile acids are built. Importance of Cholesterol Cholesterol...
Lipids refer to a group of molecules comprising fats, oils, phospholipids, waxes and steroids. All lipids are hydrophobic and don’t dissolve in water. However, they dissolve in organic...
Carbohydrates are essential organic compounds that serve as a primary source of energy for living organisms, including humans. They are made up of carbon, hydrogen, and oxygen atoms...
Inorganic substances made of metallic elements such as iron, sodium, potassium, calcium and magnesium, or of non-metallic elements, such as chlorine and phosphorus. The mineral salts are found...
Water is the basis of life. There are various properties of water that make it basis of life. These include its molecular polarity, high specific heat, its boiling...
Four chemical elements that make up the majority of living biological matter are Carbon, Hydrogen, Oxygen and Nitrogen. Organisms are made of both organic and inorganic substances. Inorganic...
Biology is the science of living things or organisms. Scientific evidence suggests that life began on Earth approximately 3.5 billion years ago by variously proposed mechanisms. Basic Features...
Pasteurization is one of the methods of preservation of products such as milk, alcoholic beverages etc. at higher temperatures. Pasteurization is defined as the process of heating products...
Bacillus Calmette-Guérin (or Bacille Calmette-Guérin, BCG) is a vaccine against tuberculosis that is prepared from a strain of the attenuated (weakened) live bovine tuberculosis bacillus, Mycobacterium bovis, that...
