Figure 1
From: Induction of temperate cyanophage AS-1 by heavy metal – copper
The growth curve of AN-T and CuSO 4 treated AN-T. The AN-T growth curves with addition of different concentrations of CuSO4 at day 4, and no CuSO4 added as the control. A. Control and CuSO4 3.1 × 10-3 M; B. Control and 3.1 × 10-4 M; C. Control and 3.1 × 10-5 M; D. Control and 3.1 × 10-6 M. □ O.D. (Control); ■ Cell no./ml × 107 (Control); ○ O.D. (Treated); ● Cell no./ml × 107 (Treated).