Observing Microorganisms Through a Microscope. Chapter 3. Units of Measurement. Sizes and Magnification. Check Your Understanding. Differentiate between the different metric units used to measure the sizes of microbes. Microscopy: The Instruments. Light Microscopy.
Observing Microorganisms Through a Microscope
Chromophores are negatively charged
Repelled by the the negatively charged cell walls of bacteria
Cells appear colorless against a dark background