basic introduction,historical background and molecular basis of pathology of PRIONS.pptx introduction and charachterstics of animal virus.pptx definations,classication and functions of lipids .pptx plant virus-tobaco mossaic virus & cuccumber mossaic virus.pptx virus introduction and general charachteristics.pptx carbohydrates- polyhydroxy aldehydes or ketones, or substances that yield such compounds upon hydrolysis (breaking down with water). .pptx The term "bacteriophage" originates from Greek, where "bacteria" (bakterion) means bacteria and "devourer" (phagein) signifies their consuming nature. Screening of industrial important organsm Secondary screening of industrial important microbes Regulation of gene expression in eukariyotic organisms Post translation control-regulation_of_gene_expression_in_eukaryotes - copy Geneticaly modified crops copy Genetic exchange in prokayotes