If you are going to buy steroids the safest way is to purchase them from a pharmacy. However that requires a prescription. Most people get their steroids from friends, relatives or someone from the gym. The person buying the steroids has no clue if they are real or fake. Many people today are using the…
As defined in the Encyclopedia, steroids are a large group of naturally occurring and synthetic lipids or fat-soluble chemicals, with a great diversity of physiological activity. Included among the steroids are certain alcohols (sterols), bile acids, many important hormones, some natural drugs and poisons found in the skin of some toads. Cholesterol, a major contributor…
All cells are enclosed by a membrane composed of lipids, proteins and carbohydrates. Eucaryotic cells also have internal membranes that divide the cell into different compartments. Biological membranes have several important functions, including: They separate the contents of a cell or organelle from the surrounding environment. They control import and export of molecules (e.g., nutrients,…
Biological molecules are macromolecules, which basically means they are polymers composed on small repeating units that have been covalently bonded together. The exception to this is a type of lipid called triacyleglycerides or phospholipids which are relatively large molecules composed of smaller molecules bonded together. Subunits are chemically liked together in the cell by a…