What are rod-shaped microorganisms called?

Get ready for the VCDH Microbiology Exam. Use flashcards and multiple choice questions, complete with hints and explanations. Ace your test!

Multiple Choice

What are rod-shaped microorganisms called?

Explanation:
Rod-shaped bacteria are called bacilli. A single rod-shaped bacterium is a bacillus, and the plural form bacilli refers to rod-shaped bacteria as a group. This contrasts with cocci, which are spherical; spirillum, which are spiral-shaped; and vibrio, which are curved like a comma. So the term that labels rod-shaped organisms is bacillus (often used in the plural as bacilli).

Rod-shaped bacteria are called bacilli. A single rod-shaped bacterium is a bacillus, and the plural form bacilli refers to rod-shaped bacteria as a group. This contrasts with cocci, which are spherical; spirillum, which are spiral-shaped; and vibrio, which are curved like a comma. So the term that labels rod-shaped organisms is bacillus (often used in the plural as bacilli).

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