In this article we will discuss about the classification of pili. Mainly pili are of two types: (a) Common pili which act to adhere the cell to surfaces, and (b) Sex pili which join the other bacterial cell for transfer of genome. Ottow (1975) has classified the pili into the following six groups: Group 1: […]
Classification of Pili | Bacteria
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Morphology of Microbial Cell | Microbiology
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In this article we will discuss about the morphology of microbial cell. Size and Shape of Microbial Cell: The size, shape and arrangement of microbial cells vary with species to which they belong. Bacteria are of about 0.1 to 60 × 6 µm in size. However, there is variation in dimension of bacilli (5 × […]
Microorganisms Types: 2 Main Types | Microbiology
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The following points highlight photoautotrophs and chemoautotrophs types of microorganisms that are based upon the source of electron. Type # 1. Photoautotrophs: Photoautotrophs include the photosynthetic bacteria, algae and green plants. These organisms fix carbon utilizing the energy of solar radiations through a process called photosynthesis. They are also called the primary producers of simple […]
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