Part 1. Complete a table that describes the characteristics of viruses, bacteria, fungi and protoctista. Explain the conditions necessary for the successful culture of bacteria in laboratory and the safety precautions taken when using aseptic techniques. Explain the role of antibiotics in controlling bacterial disease. Include detail of how they prevent the growth of bacteria, and factors that make antibiotics less effective, including resistance. Explain the method of transmission and treatment of A) One bacterial disease, B) One viral disease, C) One parasitic disease. Assignment brief Word Limit: 2000 Part 1. Complete a table that describes the characteristics of viruses, bacteria, fungi and protoctista. Explain the conditions necessary for the successful culture of bacteria in laboratory and the safety precautions taken when using aseptic techniques. Explain the role of antibiotics in controlling bacterial disease. Include detail of how they prevent the growth of bacteria, and factors that make antibiotics less effective, including resistance. Explain the method of transmission and treatment of A) One bacterial disease, B) One viral disease, C) One parasitic disease. Part 2. Describe natural, artificial, active and passive immunity. Explain the role(s) of T and B cells in providing immunity. This could be in an annotated diagram. Name a vaccine and explain how vaccinations produce immunity. Analyse data about the vaccination, including the numbers of people immunised and any impact it has had on the number of reported incidents of that disease since it has been used. Part 3. Complete a table that outlines three different types of genetic screening and the pros and cons of each. Complete a flow chart to show the stages of insulin production using recombinant DNA. Give an overview of the moral and ethical issues raised by DNA recombinant technology. Learning outcome Assessment criteria First submission Re-submission Achieved 1. Understand the role of micro-organisms in causing disease. 1.1. Compare the characteristics of viruses, bacteria and protoctista. 1.2. Explain the conditions necessary for the successful culture of bacteria. 1.3. Explain the role of antibiotics in controlling bacterial disease. 1.4. Explain the method of transmission and treatment of a) One bacterial disease, b) One viral disease, 1.1. c) One parasitic disease. Understand immunity. 2.1. Explain the processes involved in the development of immunity. 2.2. Compare the actions of B cells with those of T cells in fighting infection. 2.3. Evaluate the role of vaccination in controlling disease. 3. Understand the application of DNA technologies to the diagnosis and treatment of disease. 3.1. Describe the process of genetic screening. 3.2. Describe the process of gene cloning into vectors and explain its use in the production of insulin. 3.3. Discuss the moral and ethical issues raised by DNA recombinant technology. Tutor Feedback Grade descriptor(s) Tutor comments Performance against the descriptor (P/M/D) 1 – Understanding of the subject 2 – Application of knowledge 3 – Application of skills

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