Make up 8 flasks of 100ml starter culture.
4 flasks were checked each time to take the OD readings.
OD readings to show when the cells are in exponential growth phase and so ready to be made competent.
TABLE A B C D
1.25h 0.077 0.078 0.082 0.096
3.25h 0.567 0.54 0.674 0.543 0.714 0.837 0.809 0.814
Aliquot into 24 falcon tubes. The cells will need to be spun down in 2 rounds.
72 eppendorf tubes will be produced, labelled ch. comp, dh5alpha.
Store at -80°C.