In 2007, a Japanese scientist determined that pluripotent ce O Introducing 4 regulatory genes into a fully differentiated cell Culturing stem cells in nutrient rich agar under different conditions Using a retrovirus to turn stem cells into progenitor cells O Replacing non-reproducing stem cells with reproducing ones O None of the above

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Viral Replication

The virus is acellular and considered non-living outside the host cell. The replication of the virus occurs only inside the living cells. Only a few genes are present in the smallest virus, whereas many genes are present in the largest virus. These genes encode specific viral proteins.