8 Questions
Which of the following is a method of bacterial classification based on cell wall composition?
Gram staining
What is the term for a rod-shaped bacterium?
Bacillus
What is the shape of a bacterium known as coccus?
Spherical
Which type of microorganism is conventionally classified as lacking membrane-bound organelles?
Bacteria
Which method did microbiologists traditionally rely on for the isolation and identification of microorganisms?
Culture, staining, and microscopy
What is the study of viruses known as within the field of microbiology?
Virology
What percentage of the microorganisms present in common environments can be cultured in isolation using current means?
Less than 1%
Which type of microorganism possesses membrane-bound organelles?
Eukaryotic microorganisms
Study Notes
Bacterial Classification
- Gram staining is a method of bacterial classification based on cell wall composition.
Bacterial Shapes
- Bacillus is the term for a rod-shaped bacterium.
- Coccus is the shape of a bacterium that is spherical in shape.
Microorganism Classification
- Prokaryotes are conventionally classified as lacking membrane-bound organelles.
- Eukaryotes are the type of microorganism that possesses membrane-bound organelles.
Microorganism Isolation and Identification
- Microbiologists traditionally relied on the streak plate method for the isolation and identification of microorganisms.
Virology
- Study of viruses is known as Virology within the field of microbiology.
Microorganism Cultivation
- Only about 1% of the microorganisms present in common environments can be cultured in isolation using current means.
Test your knowledge of the classification and morphology of bacteria with this quiz. Identify the shape of a coccus bacterium, understand the method of bacterial classification based on cell wall composition, and learn the term for a rod-shaped bacterium. See how well you know the characteristics of different bacteria.
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