Correct !


Here are the results for the whole experiment:

Time: Free p.f.u: Total p.f.u:
3 1 x 104 1.3 x 104
6 1.1 x 104 1.2 x 104
9 1.1 x 104 1.4 x 104
12 1.3 x 104 1.4 x 104
15 1.2 x 104 1.5 x 104
18 1.3 x 104 1.5 x 104
21 1.2 x 104 1.6 x 104
24 1.2 x 104 1.6 x 104
27 1.2 x 104 1.6 x 104
30 1.3 x 104 1.6 x 104
33 1.8 x 104 4.4 x 104
36 3 x 104 7.5 x 104
39 3.4 x 104 1.6 x 105
42 1.4 x 104 3.3 x 105
45 2 x 105 4.4 x 105
48 3.6 x 105 5.2 x 105
51 4 x 105 7.7 x 105
54 6.1 x 105 8.5 x 105
57 7 x 105 8.8 x 105
60 8.3 x 105 8.5 x 105
63 8.6 x 105 8.8 x 105
66 8.9 x 105 8.7 x 105

Unfortunately, plotting the raw data gives a graph which is difficult to read.
It's better to plot the phage titres on a log scale, or alternatively, to plot:

log[phage titre] against time

Click here and I'll calculate the logs for you


DISCLAIMER          © AJC 2002.