Which DNase positive organism's colony is not easily broken up and therefore displays the "hockey puck" sign where it can be pushed across the plate?

Which DNase positive organism's colony is not easily broken up and therefore displays the "hockey puck" sign where it can be pushed across the plate?

Which DNase positive organism's colony is not easily broken up and therefore displays the "hockey puck" sign where it can be pushed across the plate?











A. N. gonorrheae
B. M. catarrhalis
C. N. lactamica
D. V. cholerae
E. N. meningitidis












Answer: B