In this article we will discuss about the definition and classification of protozoa. Definition of Protozoa: Protozoa are minute animalcules visible only under the microscope. About 50,000 species are known so far. A protozoan is an independent eukaryotic cell i.e. a complete unicellular organism. The branch of study is called Protozoology. It was Leeuwenhoek (1677) who first of all studied [...]
In this article we will discuss about the features of actinomycetes with its suitable diagram. Actinomycetes are called actinobacteria or high G + C rich Gram-positive filamentous bacteria due to their mycelium like (slender and branched) structures. These filaments are long and it may fragment into much smaller units and less broad than that of the fungal mycelium usually 0.5 [...]
In this article we will discuss about the definition of mesosomes. Mesosomes are the invaginated structures formed by the localized infoldings of the plasma membrane. The invaginated structures comprise of vesicles, tubules of lamellar whorls (Fig.4.15). Generally mesosomes are found in association with nuclear area or near the site of cell division. They are absent in eukaryotes. The lamellae are [...]