(a(i))[2]
State the names of parts A and B.
(a(ii))[2]
Apart from part A, state two other components of this bacterial cell that are also found in animal and plant cells.
(a(iii))[3]
Antibodies destroy bacterial cells without harming human cells. Explain how this can happen.
(b(i))[1]
Suggest why this test is called a disc diffusion test.
(b(ii))[2]
Describe what these results indicate about the effectiveness of antibiotics 1 and 5.
(c(i))[1]
Suggest which strain, K, L, M or N, in Fig. 3.2 is most likely to become the largest percentage of the population.
(c(ii))[5]
Explain why the strain named in c(i) is likely to become the largest percentage of the population over time.