Which term describes rod-shaped bacteria?

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Multiple Choice

Which term describes rod-shaped bacteria?

Explanation:
Rod-shaped bacteria are described as bacilli. The term bacillus (singular) captures the elongated, rod-like form, with bacilli being the plural. In contrast, cocci are spherical, spirilla or spirochetes describe spiral forms, and diplo indicates an arrangement in pairs rather than a shape. So the best match for a rod shape is bacillus. (Note: Bacillus is also a genus name, but here it’s used to describe morphology—rod-shaped bacteria.)

Rod-shaped bacteria are described as bacilli. The term bacillus (singular) captures the elongated, rod-like form, with bacilli being the plural. In contrast, cocci are spherical, spirilla or spirochetes describe spiral forms, and diplo indicates an arrangement in pairs rather than a shape. So the best match for a rod shape is bacillus. (Note: Bacillus is also a genus name, but here it’s used to describe morphology—rod-shaped bacteria.)

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