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Questions and Answers
What is the primary role of the cell membrane?
What is the primary role of the cell membrane?
To protect the cell from its surroundings.
What type of membrane is the cell membrane?
What type of membrane is the cell membrane?
Semi-permeable or selectively permeable
What is contained within the nucleus?
What is contained within the nucleus?
DNA and other genetic materials
What are the sub-organelles found within the nucleus?
What are the sub-organelles found within the nucleus?
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What is the main function of the cell membrane in terms of nutrient uptake?
What is the main function of the cell membrane in terms of nutrient uptake?
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Study Notes
Cell Membrane
- A thin layer of lipids and proteins surrounding the cell, serving as a barrier between the cell and its surroundings.
- Primary role is to protect the cell from its environment.
- Acts as a semi-permeable or selectively permeable membrane, controlling the entry and exit of nutrients and microscopic entities into the cell.
Nucleus
- An organelle comprising several sub-organelles: nucleolus, nucleus envelope, and chromatins.
- Contains DNA and other genetic materials.
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