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Cells
S7L2
Term | Definition |
---|---|
Prokaryote | A cell with no nucleus |
Eukaryote | Cell with a nucleus |
Unicellular | A single-celled organism |
Multicellular | A multi-celled organism |
Animal Cell | A cell surrounded by a cell membrane |
Plant Cell | A cell surrounded by a cell wall |
Cell Theory | ALL living organisms are composed of one or more cells. The cell is the basic unit of life ALL cells are produced from other cells |
Robert Hooke | Discovered Cells |
Anton Van Leeuwenhoek | Observed single celled organisms |
Compound Microscope | A microscope used to observe cells |
Cell Membrane | What lets substances in and out of the cell |
Cytoplasm | A gel-like substance in the cell |
Nucleus | The control center of the cell |
Chromosomes | DNA |
Endoplasmic Reticulum | A passageway that transports proteins and other material |
Mitochondria | The cells power house |
Ribosome | A small protein factory |
Golgi Body | Recieves protein and other material from the ER |
Lysosomes | Breaks down food, waste, and other body parts |
Cell Wall | Protects the cell membrane |
Chloroplast | Collecrts sunlight to make food in the plant cell |
Vacuole | Stores food, water and waste |
Passive Transport | Movement across cell membrane without the use of energy |
Diffusion | Movement of molecules from an area of higher concentration to a lower concentration |
Osmosis | Diffusion of water |
Active Transport | Movement of molecules across cell membrane using energy |
Endocytosis | Moving into the cell |
Exocytosis | Moving out of the cell |
Photosynthesis | Using chlorophyll from the sun to make food and oxygen |
Cellular respiration | Takes in food to make ATP |