Term | Definition |
magnification | making an image appear larger than its actual size |
resolution | the measure of clarity of an image (how clear it is) |
cell theory | 1. All living cells are made of one or more cells. 2. Cells are the basic unit of life. 3. All cells arise from other cells. |
cell membrane | cell's outer boundary |
cytoplasm | cell interior |
ribosome | produces proteins |
prokaryote | small, simple cells with NO nucleus |
cell wall | prokaryotes and PLANT cells only, provides structure and support |
flagellum | long, threadlike structures that enable movement of the cell |
eukaryote | complex cells with a nucleus and other organelles |
nucleus | internal compartment that houses the DNA |
organelle | a structure in the cell that carries out a specific activity |
cilium | short, hairlike structures that provide movement to cell |
smooth ER | produces lipids (fats) and breaks down toxic (poisonous) substances |
rough ER | has attached ribosomes, transports the proteins that are produced by the attached ribosomes |
golgi apparatus | packages and distributes the proteins |
lysosome | contains digestive enzymes (chemicals) |
mitochondria | produces energy for the cell (ATP) |
chloroplast | PLANT only, photosynthesis occurs |
vacuole | stores water, keeps plants rigid |