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0answers
21 views

About virus developement [closed]

If viruses ONLY evolve from earlier viruses was their an ancestor to all viruses? Was there on ancestor to all RNA viruses? Was there a time before multicelled organisms were virus 'ancestors' ...
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1answer
24 views

Size of DNA in phage

I have read that DNA(after recombination) is packaged in bacteriophages lambda only if it's between 40000 and 53000 bp long. This constraint can be used to ensure packaging of recombinant DNA. I ...
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1answer
387 views

When can a virus modify DNA in every cell of a living organism?

I've recently heard about experiments with brain tissue, where a virus is introduced in a rats brain, causing a "glow when electric charge is present" protein to be created. This protein then helps to ...