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  • Six Major Types Of Microorganisms And Disease

    Microorganisms are living organisms which can be seen only with the aid of microscope. They are widespread in nature and are beneficial to life, but some can cause serious harm. There are six major types of micro-organisms these are bacteria, archaea, fungi, protozoa, algae, and viruses. This essay aims to analyse micro-organisms and disease. First the key features of the main categories of micro-organisms and the roles of commensals, and pathogens will be explained respectively. Then mode of…

    Words: 1673 - Pages: 7
  • Biosynthetic Auxotroph Lab Report

    We determined that the UV light treatment was the most potent treatment of mutagenesis and also the most effective in inducing mutations, followed by the Tn5 and the EMS was the least potent and effective treatment. Introduction A culture of E.coli K12, KL14 was used to carry out the experiment on. The advantage of using E.coli cells to experiment on is that they are haploid organisms and contain a single set of chromosomes so if a mutation was to occur, the bacterial cell will express it as…

    Words: 4246 - Pages: 17
  • Sputnik Virophage Research Paper

    It is generally accepted that a virophage is a viral agent that infects other larger viruses. It is a dsDNA virus which utilizes the replication factories of other viruses to reproduce itself. Virophages are essentially parasitic in nature, much in the same way as traditional satellite viruses. It is not without controversy that distinctions between satellite viruses and virophages are described. The difference between the two often seem more semantic than factual and more supported by…

    Words: 1865 - Pages: 8
  • Infectious Mononucleosis Research Paper

    Bacteria They are formed by a single rudimentary cell. They have no nucleus or plastids, but chromatin. Some have assimilators pigments. They are on earth, water, and air, and can generally move. They may be causing disease and therefore are called pathogens. Those that do not cause disease are called saprophytes. In some cases, they are even useful, as in digestive processes or synthesis of vitamins. By the way, they are called coconuts when circular; bacilli if they have the form of rods;…

    Words: 2402 - Pages: 10
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