Microbiology and Experiments - Essay Example

Therefore, during this process, it is essential to let some urine to pass before collecting the sample. This will be achieved by pulling off the skin covering the penis or vagina with your hand to avoid infecting the culture. The container in which specimen is being collected may contain some pathogens which may infect the culture (Levin and Feldman (2006). To prevent this from happening, samples should be collected in properly sterilized and tightly covered containers. Question 2According to Levin and Feldman (2006), antibodies are proteins generated by B cells and forms the defense systems of the body.

They operate within their specific antigens to demolish pathogens which may otherwise cause diseases in the body. Antibodies assist to strengthen the ability of the body system to resist activities of the foreign bodies.Antibodies react to specific antigens by binding them and preventing them from gaining entry into body cells or destroying the body cells. They may also cause other body immune systems to react against the specific antigens and damage it. Finally, antibodies may cover pathogens and cause these pathogens to be gotten rid of by the macrophages and other body cells (Levin and Feldman, 2006).