36. What is the cell density of a bacterial culture if plating 0.2 ml of a 105-fold dilution of the
問題詳情
36. What is the cell density of a bacterial culture if plating 0.2 ml of a 105-fold dilution of the culture yields 45 colonies. (A) 4.5 × 106 (B) 9.0 × 106 (C) 2.25 × 107 (D) 4.5 × 107 (E) 9.0 × 107