INTRODUCTION TO MICROSCOPY CELL BIOLOGY
MICROSCOPY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Spirillum is not classified as a spirochete because spirochetes
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Do not cause disease.
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Possess axial filaments.
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Possess flagella
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Are prokaryotes
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Explanation:
Detailed explanation-1: –The main difference is the mechanism of motility, the spirillum has flagella that stick out at both ends, the spirochete has internal flagella that allow it to move in a screw like motion.
Detailed explanation-2: -Spirillum (plural, spirilla). A bacterium with rigid spiral (helical) structure (not easily band, not flexible), thick, long, and move with flagella, 6–15 m long and spiral in shape is called spirillum. For example, Campylobacter jejuni and Helicobacter pylori.
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