Table 1 Effect of penicillin on growth of Arthrobacter citreus
Concentration of penicillin Unit/ml | Growth in presence of penicillin | Growth after transfer of cells to medium without penicillin |
|---|---|---|
0 | + | + |
0.02 | + | + |
0.04a | − | + |
0.1 | − | + |
0.2 | − | + |
0.4 | − | + |
0.8 | − | + |
1b | − | − |