Which of the following best describes the shape of Vibrio bacteria?

Which of the following diseases is commonly associated with Vibrio bacteria?

Which of the following environments is most likely to harbor Vibrio bacteria?

Which of the following characteristics is true about Vibrio bacteria?

The term vibrio (plural: vibrios) is used to describe prokaryotic cells that are shaped like curved rods, closely resembling a long comma.

University of Michigan - Ann Arbor

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Tulane University

University of Wisconsin - Madison

Individual cells of a specific prokaryotic organism typically exhibit a characteristic shape, known as cell morphology. While thousands of prokaryotic organisms exist, only a handful of morphologies are commonly seen microscopically. These standard shapes include spherical (coccus), rod-shaped (bacillus), curved comma-shaped (vibrio), short oval-like rods (coccobacillus), long rigid corkscrews (spirillum), and loose, flexible helical spirals (spirochete).

Cell Morphologies

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Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

OpenStax Microbiology Textbook

These bacterial cells lack a cell wall, thus they do not have a stable shape. They may appear as round bodies or interlacing filaments. 

Mycoplasmas

Pathogenic bacteria are bacteria that can cause infectious disease.

Pathogenic Bacteria

Which of the following bacterial morphologies is characterized by a spiral shape?

Which bacterial morphology is described as rod-shaped?

Which bacterial morphology is described as spherical in shape?

Which bacterial morphology is described as comma-shaped?

The term coccus (plural: cocci) is used to describe prokaryotic cells that possess a round, spherical shape.

Coccus

The term bacillus (plural: bacilli) refers to prokaryotic cells that are rod-shaped, visually resembling long, rounded rectangles. Certain bacilli are also known for their ability to form endospores.

Bacillus

Vibrio

The term coccobacillus (plural: coccobacilli) refers to prokaryotic cells that appear as short rods, closely resembling ovals.

Coccobacillus

The term spirillum (plural: spirilla) describes prokaryotic cells that possess a long, spiral shape, visually resembling a corkscrew.

Spirillum

The term spirochete (plural: spirochetes) refers to prokaryotic cells that have a long, loose, and flexible helical spiral shape. They visually appear similar to spirilla but are noticeably more floppy. They are members of the Spirochaetota phylum.

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