•CH.3 VOCABULARY
•Light microscope
•Light passes through one or more lenses to produce an enlarged image of a specimen
•Electron microscope
•Forms an image of a specimen using a beam of electrons rather than light
•Magnification
•Quality of making an image appear larger than its actual size
•Resolution
•Measure of the clarity of an image
•Scanning tunneling microscope
•Uses a needle-like probe to measure differences in voltage caused by electrons that leak, or tunnel from the surface of the object being viewed
•Three parts of Cell theory
•All living things are made of one or more cells
•Cells are the basic units of structure and function in organisms
•All cells arise from existing cells
•Cell membrane
•Outer boundary, encloses and separates the cell interior from its surroundings
•Cytoplasm
•Cell interior
•Ribosomes
•The cellular structures on which proteins are made
•Cytoskeleton
•Microscopic fibers within the cytoplasm, cell structures suspended on these
•Prokaryote
•Single-celled organism that lacks a nucleus and other internal compartments