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3.1, 3.2, 3.3 terms
| Term | Definition |
|---|---|
| cell theory | the theory that says that all living things are made up of cells, that cells are the basic unit of life, that each cell has a specific job, and that cells only come from existing cells |
| cytoplasm | the region between the cell membrane and the nucleic membrane; jellylike substance |
| organelle | one of the small bodies that are found in the cytoplasm; perform a specific function |
| prokaryotic cell | cell that doesn't have nucleus or other membrane organelles; bacteria and algae |
| eukaryotic cell | cells that have a nucleus and membrane organelles; animals and plants |
| cytoskeleton | the cytoplasmic network of protein filliments that make cell's movement, shape, and division possible |
| nucleus | in a eukaryotic cell; membrane bound organelle; contains DNA; role in process of growth, metabolism, reproduction |
| endoplasmic reticulum | a system of membranes that is found in cytoplasm; assists production, processing, and transport of proteins in the production of lipids |
| ribosome | an organelle composed of RNA and protein, the sight of protein synthesis |
| Golgi apparatus | an organelle that helps makeand package materials to be transported out of the cell |
| vesicle | a small sack that contains materials in eukaryotic cells; forms when par of cell membrane surrounds the materials to be taken into the cell or transported within the cell |
| mitochondrion | in eucharyotic cells; organelle that is surrounded by 2 membranes; sight of cellular respiration.. produced ATP |
| vacuole | vacuole: organelle that is used to store materials, such as water, food, or enzymes |
| lysosome | organelle that contains enzymes |
| centriole | cylinder shaped organelle made of protiens tubes arranged in a circle; aids mitosis |
| cell wall | rigid structure that gives production, support, and shape to cells in plants, algae, fungi, and bacteria |
| chloraplast | an organelle found in plant and algae cells where photosynthesis occurs |