Table 10.2
-Use the dichotomous key in Table 10.2 to identify a gram- negative coccus.
A) Staphylococcus
B) Streptococcus
C) Micrococcus
D) Pseudomonas
E) Neisseria

Question

Table 10.2 
-Use the dichotomous key in Table 10.2 to identify a gram- negative coccus.
A) Staphylococcus 
B) Streptococcus 
C) Micrococcus 
D) Pseudomonas 
E) Neisseria

Quizplus · Accepted Answer

The dichotomous key in Table 10.2 for gram-negative cocci asks whether the organism is oxidase-positive or negative. If positive, it leads to Pseudomonas. If negative, it leads to the genus Neisseria. Therefore, the best choice for a gram-negative coccus is E, Neisseria.

Table 10.2 -Use the Dichotomous Key in Table 10.2 to Identify a to Identify