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Questions and Answers
What is a typical feature of a eukaryotic cell?
What is a typical feature of a eukaryotic cell?
- Absence of a cell membrane
- Absence of organelles
- Presence of a cell wall outside the cell membrane
- Presence of a membrane-bound nucleus (correct)
What is the function of the endomembrane system in a cell?
What is the function of the endomembrane system in a cell?
- Synthesizes ATP
- Stores genetic information
- Facilitates transport of molecules (correct)
- Regulates cell shape
What is the role of centrioles in animal cells?
What is the role of centrioles in animal cells?
- Generate energy for the cell
- Form the basal body of cilia and flagella (correct)
- Synthesize proteins
- Store excess water and maintain turgor pressure
What is the function of the nucleus in a cell?
What is the function of the nucleus in a cell?
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What is a distinguishing feature of plant cells compared to animal cells?
What is a distinguishing feature of plant cells compared to animal cells?
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Study Notes
Eukaryotic Cells
- Typical feature: presence of a true nucleus, bound by a double membrane
Cellular Components
- Endomembrane system: a network of membranous organelles responsible for protein synthesis, lipid synthesis, and detoxification
Centrioles
- Found in animal cells, play a crucial role in the formation of cilia, flagella, and centrosomes
- Involved in the separation of chromosomes during cell division
Nucleus
- Control center of the cell, containing most of the cell's genetic material
- Responsible for regulating gene expression, cell growth, and cell division
Plant Cells vs. Animal Cells
- Distinguishing feature of plant cells: presence of a cell wall, chloroplasts, and a large central vacuole
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