S.N Pili S.N Fimbriae 1. These are fine hair-like microfibers. 1. These are tiny bristle-like fibers. 2. These are longer than fimbriae. 2. These are shorter than fimbriae. 3. These are less in number. 3. … Read more
Pseudomonads are a large group of aerobic, Gram-negative, non-fermentative bacilli. This contains over 200 species that were originally contained within the genus Pseudomonas. Some of them produce water soluble pigments which get diffused through the culture medium. The members are generally saprophytic in nature. They are widely distributed in different habitat like in soil, water, … Read more
These are thin short filamentous appendages which measure about 1-1.5 micron in length and less than 4 to 8 nm in width. They extrude from the cytoplasmic membrane and are also called pili. They are found in certain gram-negative bacilli, including saprophytic, intestinal commensals, and pathogenic species in the family These are different kind from … Read more
S.N Prokaryotic cell Eukaryotic cell 1. An organized nucleus is absent. An organized nucleus is present. 2. Nucleus is represented by packed mass of DNA fibres, which lacks nuclear membrane and nucleoli. It contains chromatin network, nuclear membrane and nucleoli. 3. DNA is naked i.e. it lacks protein association. DNA is covered with histone proteins … Read more