| A | B |
|---|
| robert hooke | englishman who coined the term "cell" |
| anton van leewenhoek | used a microscope to observe living microscopic organisms |
| cell theory | concept that states: a) all living things are made up of cells b) cells are the basic units of structure and function in living things c) new cells are produced from existing cells |
| microscope | instrument that use lenses to magnify the image of an object by focusing light or electrons |
| light microscope | microscope that allows light to pass through a specimen and uses two lenses to form an image |
| staining | technique that gives specific cell structures specific colors |
| electron microscope | microscope that uses beams of electrons, focused by magnetic fields, to develop images of living structures |
| scanning electron microscope | microscope that reflects electrons over a structure's surface, creating a textured image |
| transmission electron microscope | microscope that passes electrons through a sample, allowing structures inside the cell to be seen |
| cell membrane | all cells are surrounded by a thin flexible barrier called a _____ |
| plasma membrane | another term for cell membrane |
| nucleus | large, membrane-enclosed structure that contains genetic material in the form of DNA and controls many of the cell's activities |
| eukaryotes | cells that enclose their DNA |
| prokaryotes | cells that do not enclose their DNA |
| eukaryotic cells | cells that separate their genetic material within a nucleus |
| prokaryotic cells | cells that do not separate their genetic material within a nucleus |
