Multiple Choice
Which bacterial genus is typically rod-shaped (bacillus morphology) when observed under a light microscope?
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7. Prokaryotic Cell Structures & Functions
Bacterial Cell Morphology & Arrangements
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Vibrio cholerae causes the disease cholera. Based on the name of the bacterium, what is its shape?
A
Spherical.
B
Straight cylinder.
C
Curved rod
D
Chains of cocci.
E
Chains of rods.
Verified step by step guidance1
Understand the naming conventions in microbiology: The name of a bacterium often provides clues about its shape and characteristics.
Recognize the term 'Vibrio': In microbiology, 'Vibrio' refers to a genus of bacteria that are typically curved or comma-shaped rods.
Differentiate between bacterial shapes: Bacteria can be spherical (cocci), rod-shaped (bacilli), or spiral-shaped. Vibrio species are known for their curved rod shape.
Consider the options given: The options include spherical, straight cylinder, curved rod, chains of cocci, and chains of rods. The term 'Vibrio' aligns with the curved rod shape.
Conclude based on the genus name: Since 'Vibrio' indicates a curved rod shape, the correct answer is 'Curved rod'. This matches the typical morphology of Vibrio cholerae.
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