Specimen 0.2 Explain what is Learning activities: Rich questions: The definition of an assessment material: weeks meant by an assess GCSE recall and efine what an antigen. antigen and the A-level Paper 3 (set 1) understanding antigen is. types of molecules Q4 define an antigen and explain xplain why the – These molecules allow which can act as which types of molecules surface molecules the immune system to antigens. usually act as antigens of some act as identify pathogens, cells Explain why antigen Exampro: explain importance of antigens. from other individuals, recognition is antigens in identification by abnormal body cells and BYA3 June 2006 Q1a – important for the the immune system toxins. immune system. discuss with students that Identify cells which abnormal of the body can the immune system produce antigens which would would launch an initiate an immune response immune response eg cancer cells against. exam question. Skills developed by learning activities: AO1 Development of – knowledge and understanding of antigens and their importance. Time Learning activity with opportunity Assessment Learning Outcome Resources Learning objective taken to develop skills opportunities 0.2 Describe the Learning activities: Past exam Phagocytosis of process of material: pathogens. The phagocytosis.
The definition of an antigen. These molecules allow the immune system to identify pathogens, cells from other individuals, abnormal body cells and toxins. 0.2 weeks Explain what is meant by an antigen and the types of molecules which can act as antigens. Explain why antigen recognition is important for the immune system. Identify cells which the immune system would launch an immune response against. Learning activities: assess GCSE recall and understanding define an antigen and explain which types of molecules usually act as antigens explain importance of antigens in identification by the immune system discuss with students that abnormal of the body can produce antigens which would initiate an immune response eg cancer cells exam question. Skills developed by learning activities: AO1 – Development of knowledge and understanding of antigens and their importance. Specimen assessment material: A-level Paper 3 (set 1) – Q4 Exampro: BYA3 – June 2006 Q1a Rich questions: efine what an antigen is. xplain why the surface molecules of some act as antigens. Learning objective Time taken Learning Outcome Learning activity with opportunity to develop skills Assessment opportunities Resources Phagocytosis of pathogens. The 0.2 Describe the process of phagocytosis. Learning activities: Past exam material: