Two famous microbiologists whose names are not household words are Sergei Winogradsky and Martinus Beijerinck. You should be familiar with the metric system, especially with prefixes for small sizes. Note the equation on p. 19. Identify two techniques for fixing bacteria. Give 2 examples of differential stains.
Procaryotes are smaller than eucaryotes.
They have not been physically isolated, and most microbiologists regard them as artifacts, although they may correspond to certain functionally specialized regions of the cell. If so, this function remains unknown. Ribosomes contain 30S and 50S subunits.