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chapter 7 vocab
7.1 and 7.2 vocab
Term | Definition |
---|---|
Chloroplast | Structure in plant cells that captures the suns energy and changes it into chemical energy |
Cytoskeleton | Network of protein filaments that gives a cell its shape and organizes its organelle |
Endoplasmic Reticulum | Internal membrane system of a cell where proteins are assembled |
Golgi Apparatus | Series of flattened sacs that prepares proteins and other materials for export from the cell |
Lysosome | Enzyme-filled structure that breaks down complex molecules or worn-out organelle |
Mitochondrion | Organelle that changes the chemical energy in food into a form that is easier for the cell to use |
Ribosome | Structure that assembles proteins |
Vacuole | Saclike structure that stores materials like water and nutrients |
Cell | Basic unit of life |
Cell Membrane | Thin flexible barrier that separates the cell from its environment |
Cell Theory | All living things are made of one or more cells; cells are the basic units of structure and function; and new cells come from previously existing cells |
Eukaryote | Cell with DNA that is enclosed in a nucleus |
Nucleus | Cell structure that contains genetic material |
Prokaryote | Cell with DNA not enclosed ina nucleus |