Which type of pathogen can be classified based on its reaction to Gram stain?
A) Bacterium
B) Virus
C) Prion
D) Protozoon

Question

Quizplus · Accepted Answer

Bacteria can be classified based on their reaction to Gram staining, which distinguishes between two groups of bacteria based on differences in their cell walls. Gram-positive bacteria appear purple under a microscope, while Gram-negative bacteria appear pink. However, viruses, prions, and protozoa cannot be classified based on this staining method as they lack a cell wall or have a different type of cell wall.

Which Type of Pathogen Can Be Classified Based on Its