Section A – Microbiology You only need to answer two of the…

Sectiоn A - Micrоbiоlogy You only need to аnswer two of the three questions from this section. Two аnswer boxes will be beneаth this box - please indicate which question you are answering, for example: 'My Answer to Question X is...' Questions are as followed: Question 1: The micrograph below shows microbes present in pus taken from an infected wound swab. Please answer both parts of the following question: a) Explain the staining method used, including detail on the mechanism of action. (80%) b) Interpret the image – what microbiological information does it give you? (20%) Question 2: Explain how bacteria synthesise their cell wall and how antibiotics can interfere in this process. Question 3: Answer both parts of the question below. a) Explain what the normal flora (microbiota) of humans is. Give specific examples and discuss their impacts on human health, both positive and negative. (70%) b) Discuss one contemporary example where the normal flora have been successfully manipulated to achieve a therapeutic effect. (30%)