While reading bacterial structures, you might have known that flagella are the organ of locomotion in bacteria. If bacteria do not possess flagella then they are non motile. For example, Klebsiella spp Shigella spp do not possess flagella hence they are nonmotile while those psoosessing flagella are Bacteria (especially gram negative bacilli) possess flagella with […]
Colony characteristics are observed after the primary isolation bacteria in solid culture medium. The appearance of bacterial colony on culture medium is usually characteristic and helps in preliminary identification. It is described under following headings: Size: diameter of the colony is measured in millimeters Shape: Shape refers to the general form of the colony which […]