Antibiotics affect the behaviour and biochemistry of bacterial cells.
(i) Give THREE ways in which antibiotics affect bacterial cells.
1.
2.
3.
[ 3 ]
(ii) Antibiotic drugs are not given for viral illnesses. Give TWO reasons why this is the case.
1.
2.
[ 2 ]
(iii) The graph below describes the growth curve of a population of bacteria. Identify ON THE GRAPH the stages shown by the letters A, B, C and D on the graph.
Image
time
[ 4 ]
(iv) With reference to the graph, explain the shape of the curve.
[ 6 ]
[ Total: 15 ]
