In the United Kingdom a lecturer is usually the holder of an open-ended position at a university or similar institution, often an academic in an early career stage, who teaches and also leads or oversees research groups.he academic levels in Australia are associate lecturer (academic level: A), lecturer (B), senior lecturer (C), associate professor (D), and professor (E).
There are four main blood types: type A, type B, type AB and type O. Additionally, if a substance called Rh factor appears on the surface of the red blood cells, a person is considered to be Rh+ (positive). Type O+ is the most common blood type, while AB- is the least common. But not all ethnic groups have the same proportion of blood types. For example, Hispanics have a high number of O blood types, while Asians have a high number of B blood types.
Although all blood is made of the same basic elements, not all blood is alike. In fact, there are eight different common blood types, which are determined by the presence or absence of certain antigens â substances that can trigger an immune response if they are foreign to the body. positive is the most common blood type. Not all ethnic groups have the same mix of these blood types. Hispanic people, for example, have a relatively high number of Oâs, while Asian people have a relatively high number of Bâs. The mix of the different blood types in the U.S. population is: