Question
Identify the micro-organism shown in the photomicrograph below?
A. Clostridium tetani.
B. Clostridium perfirengens.
C. Proteus mirabilis.
D. Bacillus anthracis.
Show Answer
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Correct Answer » D
Explanation
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The micro-organism shown in the photomicrograph above represents Bacillus anthracis as it shows bamboo stick appearance.
Bacillus anthracis, the organism that causes anthrax, derives its name from the Greek word for coal, B anthrakis, because of its ability to cause black, coal-like cutaneous eschars.
Bacillus anthracis, a large Gram positive, aerobic, spore bearing bacillus, 1–1.5 × 3–10 μm in size, is the only obligate pathogen within the genus bacillus.The major virulence factors of B anthracis are encoded on two virulence plasmids pXO1 and pXO2.
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