Describe in detail, using labelled diagrams, how you would purify a contaminated bacterial culture using the streak-plate procedure. (25 marks) Describe the differences between the structure of a Gram-positive and Gram-negative bacterial cell wall. (25 marks) Describe how environmental factors can affect bacterial growth. Use examples to illustrate your answer. (25 marks)
Describe in detail, using labelled diagrams, how you would purify a contaminated bacterial culture using the streak-plate procedure. (25 marks) Describe the differences between the structure of a Gram-positive and Gram-negative bacterial cell wall. (25 marks) Describe how environmental factors can affect bacterial growth. Use examples to illustrate your answer. (25 marks) You are provided … Read more