[Solved] Distinguish between invention and innovation. Scanning Electron Microscope: A type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons. Light Microscope: An instrument that uses visible light and magnifying lenses to examine small objects not visible to the naked eye. Phospholipids: A class of lipids that are a major component of all cell membranes, forming lipid bilayers due to their amphipathic properties. Cholesterol: A lipid molecule that is essential for the formation of cell membranes, production of hormones, and synthesis of vitamin D.