Last week you were to perform an artificial transformation experiment using 1.5ml of XL1-Blue II culture. Assume you were repeating this experiment and the OD of the XL1-Blue II culture was 0.68. a. What is the concentration of this culture (OD = 1x108cells/ml) My Answer: 6.8x108 cells/ml This is correct. b. How many cells total did you have in the cell pellet after spanning down your Eppendorf tube? Please show how to answer B.