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Questions and Answers
Which organism lacks a membrane-bound nucleus and mitochondria?
Which organism lacks a membrane-bound nucleus and mitochondria?
- Prokaryote (correct)
- Eukaryote
- Fungi
- Bacteria
What is the size range of prokaryotic cells?
What is the size range of prokaryotic cells?
- Around 20 μm
- Less than 10 μm
- Less than 5 μm (correct)
- Around 15 μm
Which classification method divides bacteria based on their shape?
Which classification method divides bacteria based on their shape?
- Phenotypic classification (correct)
- Size classification
- Genotypic classification
- Nutritional requirements classification
What distinguishes gram-positive and gram-negative bacteria?
What distinguishes gram-positive and gram-negative bacteria?
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How do bacteria multiply?
How do bacteria multiply?
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Study Notes
Prokaryotic Cells
- Lack a membrane-bound nucleus and mitochondria.
Characteristics of Prokaryotic Cells
- Size range: 0.5-5.0 micrometers.
Classification of Bacteria
- Classification method: Morphology, which divides bacteria based on their shape.
Gram Staining
- Distinguishes between gram-positive and gram-negative bacteria.
Bacterial Multiplication
- Bacteria multiply by a process called binary fission.
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