(a(i))[1]
Name the pathogen in Fig. 2.1 that causes TB.
(a(ii))[1]
Complete Table 2.1 by putting a tick ($\checkmark$) to show the type of immunity that develops in a person who has received the BCG vaccination.
(b(i))[3]
Rifampicin blocks RNA polymerase in bacterial cells by attaching to a site other than the active site. As a result, polypeptide synthesis is stopped. Suggest and explain how rifampicin prevents polypeptide synthesis in bacterial cells.
(b(ii))[2]
Describe the pattern shown by the data in Fig. 2.2.
(b(iii))[4]
Explain how resistance to drugs such as rifampicin develops.
(ii)[2]
Describe the pattern shown by the data in Fig. 2.2.
(iii)[4]
Explain how resistance to drugs such as rifampicin develops.