In this article we will discuss about:- 1. Meaning of Chemo-taxis 2. Demonstration of Chemo-taxis 3. Chemotactic Behaviour of Bacteria. Meaning of Chemo-Taxis: Chemo-taxis is the movement of bacteria towards chemical attraction and away from chemical repellants. Bacteria are attracted towards the nutrients such as sugars and amino acids, and are repelled by harmful substances […]
Chemo-Taxis: Meaning and Demonstration | Bacteria
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Cell Structure of Cyanobacteria | Microbiology
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Like bacteria, the cell of cyanobacteria also consists of a mucilaginous layer called sheath, the cell wall, plasma membrane and cytoplasm. These are shown in Fig. 4.32 and described below: 1. Sheath: Usually the cell of cyanobacteria are covered by a hygroscopic mucilaginous sheath which provides protection to cell from unfavourable conditions and keeps the […]
Cell Wall in Various Bacteria’s | Microbiology
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In this article we will discuss about the chemical compositions of cell wall in various bacteria’s. The cell wall of bacteria is made up of network of peptidoglycan (murein, mums means wall). It is present almost on all bacterial cell wall except Halo-bacterium and Halo-coccus. Because these bacteria live in marine water which contains high […]
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