introduction pathogenesis virology viruses clinical syndromes transmission adenoviruses vermicomposting fertilisers microorganisms disadvantage advantage biogas fuel single cell protein food solid waste utilisation environmental microbiology phage maturation release adsorption assignment education viral infection shapes structures general characteristics carbon cycle n2 fixing bacterias non - symbiotic symbiotic non - biological biological types of nitrogen fixation discovered nitrogen fixation nitrogen cycle genome size gene regulation in prokaryotes and eukaryotes components of operon operon negative regulation positive regulation types of gene regulation mechanism levels of gene regulation gene regulatio
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