Microbiology
Bacteria, viruses, immunology, genetics
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Showing 31–31 of 31 questions
Which of the following bacteria is gram-positive and forms spores?
A Bacillus subtilis
B Escherichia coli
C Vibrio cholerae
D Pseudomonas aeruginosa
Correct Answer:  A. Bacillus subtilis
EXPLANATION

Bacillus subtilis is a gram-positive, rod-shaped bacterium capable of forming endospores. E. coli is gram-negative, V. cholerae is gram-negative curved rod, and P. aeruginosa is gram-negative.

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