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Questions and Answers
Which term describes a group of eight round cells forming a cube?
Which term describes a group of eight round cells forming a cube?
What is the correct term for pairs of rod-shaped cells?
What is the correct term for pairs of rod-shaped cells?
Which of the following refers to long, thin cells with a helical shape?
Which of the following refers to long, thin cells with a helical shape?
Which arrangement consists of chains of round cells?
Which arrangement consists of chains of round cells?
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What term is used for single, rod-shaped cells?
What term is used for single, rod-shaped cells?
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Study Notes
Cocci (Spherical)
- Single (Coccus): Represents individual, spherical bacteria.
- Diplococcus: Refers to a pair of spherical cells.
- Tetrad: Describes a formation of four spherical cells in a square arrangement.
- Sarcina: Characterizes groups of eight spherical cells forming a cube-like structure.
- Streptococcus: Denotes chains of spherical cells linked together.
- Staphylococcus: Identifies clusters of spherical cells resembling grape-like formations.
Bacilli (Rod-shaped)
- Single (Bacillus): Indicates individual, rod-shaped bacteria.
- Diplobacillus: Signifies pairs of rod-shaped cells.
- Streptobacillus: Refers to chains of rod-shaped bacteria aligned in a row.
- Palisades: Describes rod-shaped cells positioned side by side, giving a fence-like appearance.
- Coccobacillus: Represents short and thick rod-shaped cells, bridging cocci and bacilli forms.
Other Shapes
- Spirochete: Denotes long, thin, helical-shaped bacteria, known for their flexibility.
- Spirillum: Characterizes long, thin cells with a wavy, curly shape rather than a helical structure.
- Vibrio: Refers to rod-shaped bacteria that exhibit a distinct curved or comma-like shape.
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Description
Test your knowledge on the various shapes of bacteria, including cocci, bacilli, and more. This quiz covers definitions and classifications of different bacterial arrangements and their characteristics. Perfect for microbiology students and enthusiasts!
