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chapter 7
| Term | Definition |
|---|---|
| cell | basic unit of living things |
| cell theory | three main ideas of cells |
| compound light microscopes | series of lenses that magnify objects |
| electron microscope | beam of electrons instead of light |
| eukaryotes | made up of eukaryotic cells |
| nucleus | center of cell |
| organelles | specialized structures |
| prokaryotes | bacteria that don't have membranes |
| fluid mosaic model | model of plasma |
| phospholipid | glycerol backbone |
| plasma membrane | flexible boundary in a cell |
| selective permeability | process where it lets molecules move |
| transport proteins | transporting proteins |
| cell wall | outside of a cell |
| chlorophyll | cell organelles |
| chloroplast | cell organelles |
| chromatin | DNA |
| cilia | numerous projections |
| cytoplasm | fluid inside a cell |
| cytoskeleton | support structure |
| endoplasmic reticulum | site of chemical reaction |
| flagella | large projection that move |
| Golgi apparatus | what proteins turn into after they are made |
| lysosome | cell organelle containing enzymes |
| microfilament | narrow tube like cell structure composed of a protein similar to actin |
| microtubule | hollow cylindrical structure in the cytoplasm of most cells |
| mitochondria | organelle in the cytoplasm of cells that functions in energy production |
| nucleolus | rounded body within the nucleus of a cell |
| plastid | double-membraned organelle of plant cells and certain protists |
| ridosome | somewhat mitten-shaped organelle occurring in great numbers in the cell |
| vacuole | membrane-bound cavity within a cell |