plasmids

Differences between Flagella and Pili

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Differences between Flagella and Pili

S.N Flagella S.N Pili 1. These are helical structures but are not straight. 1. These are non-helical structures but are straight. 2. These are long whip like filamentous structures. 2. These are short hair like, filamentous, and tubular microfibers. 3. Comparatively thicker than pili. 3. Comparatively thinner than flagella. 4. Diameter of flagella is 10-30 … Read more

Plasmids and its types

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Introduction They are small, circular, self-replicating and double-stranded DNA molecule present in bacterial cell in addition to bacterial chromosome. So, plasmids are genetic elements that replicate independently of the host chromosome. Unlike the viruses plasmids do not have an extracellular form and exist inside cells simply as free and typically circular DNA. Plasmids carry gene … Read more