b) Hemolysis is the rupture of red blood cells with the release of intracellular hemoglobin, and it can occur if the antibody has the property of hemolysin.
Hemolysis is the destruction or dissolution of red blood cells, which leads to the release of the hemoglobin. It can happen naturally or as a result of an external force, and it can cause the release of hemoglobin, the protein that carries oxygen in red blood cells. Hemolysis can be caused by a variety of factors such as mechanical stress, chemical damage, or bacterial infections. If an antibody has the property of hemolysin, it can cause the red blood cells to rupture and release their hemoglobin. This can be observed in certain types of blood tests and it's used to identify the presence of certain antibodies or antigens in the blood.
It's worth noting that hemolysis is not related to agglutination, which is the clumping of particles that have antigen on their surface and is brought about by antibodies. Agglutination can occur with a variety of particles, including cells, bacteria, and viruses, and it is a key principle in many diagnostic tests for infectious diseases.