Membrane on the surface of animal cells or just inside the cell wall of plant and prokaryotic cells. Made of mainly lipids and proteins.
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Function of the Plasma (Cell surface) Membrane
Regulates the movement of substances in and out of the cell. Has receptor molecules to allow it to respond to chemicals like hormones
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Description of the Cell wall
Rigid structure, surrounds plant cells. Made of mainly the carbohydrate Cellulose
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Function of cell wall
Supports plant cells
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Description of Nucleus
Large Organelle surrounded by Nuclear envelope (double membrane) which contains pores. Contains chromatin which is made from DNA and proteins and a structure called the nucleolus
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Function of nucleus
Controls cell's activities. Pores allow substances to move between the nucleus and cytoplasm. The nucleolus makes ribosomes
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Description of Lysosome
A round organelle, with no clear internal structure. Surrounded by membrane
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Function of Lysosome
Contains digestive enzymes, kept separate from cytoplasm by the membrane. Digestive enzymes digest invading cells or break down worn out components of the cell
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Description of Ribosome
Very small organelle, either floats freely in cytoplasm or is attached to RER. Made of proteins and RNA. Not surrounded by membrane.
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Function of Ribosome
Site where proteins are made
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Card 2
Front
Function of the Plasma (Cell surface) Membrane
Back
Regulates the movement of substances in and out of the cell. Has receptor molecules to allow it to respond to chemicals like hormones
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