Which of the following is not a characteristic of spirochetes?
A) Possess an axial filament
B) Gram-negative
C) Helical shape
D) Easily observed with brightfield microscopy
E) Difficult to culture in vitro
Answer: D
f the following is not a characteristic of spirochetes?
A) Possess an axial filament
B) Gram-negative
C) Helical shape
D) Easily observed with brightfield microscopy
E) Difficult to culture in vitro
Answer: D