Question Detail
Question
Which of the following is a typical Gram-positive bacterium?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Staphylococcus spp. are well-known examples of Gram-positive bacteria, characterized by their thick peptidoglycan cell walls that retain the crystal violet stain. Neisseria spp., Escherichia coli, Salmonella spp., and Pseudomonas spp. are all Gram-negative bacteria.
Hint
Recall common examples of bacteria classified by Gram staining. Think about cocci often associated with skin infections.