Virus nucleic acid

It was discovered that tobacco mosaic virus contained RNA in addition to protein. Later it was discovered that viruses generally contain either RNA or DNA, meaning that they are structurally close to chromosomes.
 Frederick Charles Bawden England 1937 Virus nucleic acid

It was discovered that tobacco mosaic virus contained RNA in addition to protein. Later it was discovered that viruses generally contain either RNA or DNA, meaning that they are structurally close to chromosomes.