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' ...
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 ...
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 ...