Viruses in one milliliter were inc Show more The growth of the HPV was monitored as follows: 10 9 cells and 10 6 viruses in one milliliter were incubated under appropriate conditions.
Following a first infectious cycle a direct count and a plaque assay were performed. In the case of the direct count the mixture was diluted by a factor of 1000X after which beads were added to obtain a final concentration of 1 X 10 4 beads/mL. A microscopic field of vision revealed 20 beads and 150 virions. In the case of the plaque assay 67 plaques were observed on a plate on which 0.1 mL of a 10 -5 dilution was assayed. According to the direct count what was the burst size after one infectious cycle? Show less
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