Types and functions of antibodies.
Describe four types of antibodies and how they protect the body against infections.(8marks)
Suggested resposponses
Antitoxins; nuetralise the toxins produced by pathogenic micro-organisms;
Agglutinins; casuses the clumping together of the micro-organism, this stops the micro-organisms from multiplying and eventually they die;
Lysins; they destroy micro-organisms by digesting their cell membrane or walls;
Opsonins; are antibodies which adhere to the outer surface of the micro-organism thus making it easier...
