Sectiоn A - Micrоbiоlogy You only need to аnswer one of the three questions from this section. One аnswer box 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 Compare and contrast the cell envelopes of Escherichia coli and Bacillus subtilis, describing the structure and function of each component. (100%) Question 2 Using specific examples, a) Explain how essential biochemical processes in the bacterial cell are inhibited or disrupted by antibiotics. (80%) b) Discuss what makes an appropriate molecular target for an antibiotic as an anti-infective drug. (20%) Question 3 The micrograph below shows two microbes present in pus taken from an infected wound swab. 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%)