Estradiol is a type of estrogen which is normally secreted by the ovaries. It can be prescribed for many uses, including the relief of menopausal symptoms or for the prevention of osteoporosis and hormone replacement in women who are deficient in estrogen.
Each class of molecule has features that determine its use in living systems. The first class of molecules are called carbohydrates. The simplest type of these, monosaccharide simple sugars, have a basic formula: for every carbon atom, there are two hydrogens and one oxygen, or one water for each carbon. Carbo - hydrate.
An organic molecule generally contains carbon,  though it should be noted that there are carbon containing  molecules (such as carbon monoxide, carbon dioxide, metal  carbo â¦ nates, metal bicarbonates and metal carbides) which are  considered to be inorganic.found this useful. Brian Ortega.arbon is present in most of the non water molecules in the human  body. Glucose, the primary energy source of cells has carbon, fat  is carbon rich, the membranes that make â¦ up cells are made of  lipids, which have carbon in them.