There are four principal types: A, B, AB, and O. There are two antigens and two antibodies that are mostly responsible for the ABO types. The specific combination of these four components determines an individual's type in most cases.ndividuals with type O blood do not produce ABO antigens. Therefore, their blood normally will not be rejected when it is given to others with different ABO types. As a result, type O people are universal donors for transfusions, but they can receive only type O blood themselves.
In biology, a lipid is a substance of biological origin that is soluble in nonpolar solvents. It comprises a group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, monoglycerides, diglycerides, triglycerides, and phospholipids. The main biological functions of lipids include storing energy, signaling, and acting as structural components of cell membranes. Lipids have applications in the cosmetic and food industries as well as in nanotechnology. Scientists
Lipids also make up a part of the cell membrane in the form of phospholipids, and they are metabolized in the body to store and create energy for cells. Lipids are organic molecules. Their main biological function is energy storage Lipids also function as the structural components of cell membranes. Lipids are hydrophobic which means water fearing. They repel water because they are made of long fatty acid chains. Think about if you were to put oil in a cup of water.