After 24 hrs. of incubation a culture grows a small transluc…
After 24 hrs. of incubation a culture grows a small translucent colony with beta hemolysis. The gram stain results are as follows: Negative control: g-b Positive control: g+c Unknown organism: g+c The catalase test is negative on the unknown colony. Five days later the gram stain is repeated with the following results: Negative control: g-b Positive control: g+c Unknown organism: g-c Explain these results.