In this article we will discuss about the definition and locomotion of Flagella. Definition of Flagella: The motile bacterium may possess a flagellum (plural flagella). The flagellum is hair like helical and surface appendages emerging from the cell wall. It is of 20-30 nm in diameter and 15 µm long. It provides various types of […]
Bacterial Flagella: Definition and Locomotion | Microbiology
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Structure of Bacterial Flagella | Microbiology
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The structure of bacterial flagella have been described by Simon (1978), Doestsch and Sjoblad (1980) and Ferris and Beveridge (1985). A flagellum consists of three basic parts, the basal body, hook and filament (Fig. 4.3). (a) Basal body: M. L. De Pamphilis and J. Alder (1971) isolated the basal body of a flagellum of E. […]
Classification of Algae | Microbiology
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A famous botanist F.E. Fritsch (1935) classified algae into following 11 classes, based on pigmentation, reserve food material, flagellation and reproduction. Class 1. Chlorophyceae (= Isokontae): Generally algae are fresh water and chlorophyllous thallophytes. Chlorophyll b and carotenoides are present in chloroplasts. The cell wall is made up of cellulose and food is synthesized in […]
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