Essay on Bacteria! Size and Shape of Bacteria: Bacteria are microscopic, unicellular, asexually reproducing prokaryotes. They lead either saprophytic or parasitic life. The saprophytic forms are of great economic importance to man. The parasitic forms cause diseases in plants and animals including man. Size: Bacteria are very small organisms hardly visible under microscope. The smallest […]
Essay on Bacteria
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Viruses: Meaning, Nature and Structure
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In this article we will discuss about Viruses:- 1. Meaning and History of Viruses 2. Nature of Viruses 3. Structure 4. Classification. Meaning and History of Viruses: Viruses (Latin Venum – poisonous fluid) are simplest forms of life. They are not cells, but their study has provided a great deal of information about cells. Study […]
Isolation and Cultivation of Microorganisms
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In this article we will discuss about the isolation and culture of microorganisms. Isolation of Microorganisms: Microorganisms occur in natural environment like soil. They are mixed with several other forms of life. Many microbes are pathogenic. They cause a number of diseases with a variety of symptoms, depending on how they interact with the patient. […]
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