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A virus is not just DNA; a virus is also packaged up, covered over with a series of proteins in a nice, elegant, well-compacted form.

"Francis Collins on Making Life". Interview with Robert Krulwich, www.pbs.org. October 1, 2005.
A virus is not just DNA; a virus is also packaged up, covered over with a series of proteins in a nice, elegant, well-compacted form.