A bacterium with no flagellum.
Atrichous , monotrichous ,amphitrichous , oeritrichous .
A bacterium to which oxygen is cytotoxic is known as an obligate anaerobe.
Mayonnaise puff mainly due to the yeast zygosaccharomyces baili and bacteium L.monocytogens. the hygieninc condition of workers,poor cleaning of plant and bag in which mayonnaise pack are sanitized or not make it sure. Rana Imran Naru
Bacteria can be classified based on the number and arrangement of flagella. Monotrichous bacteria have a single flagellum, amphitrichous bacteria have a flagellum at each end, lophotrichous bacteria have multiple flagella at one or both ends, and peritrichous bacteria have flagella distributed all over the cell surface.