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Questions and Answers
What is the primary function of the plasma/cell membrane?
What is the primary function of the plasma/cell membrane?
- Protection of the cell
- Energy production
- Protein synthesis
- Regulation of what enters and leaves the cell (correct)
What does the rough endoplasmic reticulum primarily assist with?
What does the rough endoplasmic reticulum primarily assist with?
- Detoxification
- Protein synthesis (correct)
- Energy production
- Lipid synthesis
What is the function of the mitochondrion?
What is the function of the mitochondrion?
- Energy production (correct)
- Protein modification
- Storage of genetic information
- Digestion of macromolecules
What role does the Golgi apparatus play in a cell?
What role does the Golgi apparatus play in a cell?
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What is the function of lysosomes?
What is the function of lysosomes?
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What is the role of cilia in cells?
What is the role of cilia in cells?
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What does chromatin do?
What does chromatin do?
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What is the nucleus responsible for?
What is the nucleus responsible for?
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What is the function of the nucleolus?
What is the function of the nucleolus?
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What does the smooth endoplasmic reticulum do?
What does the smooth endoplasmic reticulum do?
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What is the function of vesicles in a cell?
What is the function of vesicles in a cell?
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Study Notes
Cell Organelles Overview
- Plasma/Cell Membrane: A barrier that separates the cell from its external environment; controls the movement of substances in and out of the cell.
- Rough Endoplasmic Reticulum (RER): Studded with ribosomes; involved in protein synthesis and processing.
- Mitochondrion: Known as the powerhouse of the cell; generates ATP through cellular respiration, crucial for energy supply.
- Golgi Apparatus: Functions in modifying, sorting, and packaging proteins and lipids for secretion or delivery to other organelles.
- Lysosome: Contains digestive enzymes; responsible for breaking down waste materials and cellular debris.
- Cilia: Hair-like structures on the cell surface; involved in movement or sensory functions.
- Chromatin: A complex of DNA and proteins; helps in the packaging of DNA and regulating gene expression.
- Nucleus: The control center of the cell; houses DNA and coordinates activities like growth, metabolism, and reproduction.
- Nucleolus: A sub-structure within the nucleus; primarily involved in ribosome synthesis.
- Smooth Endoplasmic Reticulum (SER): Lacks ribosomes; involved in lipid synthesis, detoxification, and carbohydrate metabolism.
- Vesicle: Small membrane-bound sacs within the cell; transport materials between organelles and to the cell membrane.
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