Assertion: virus | /r/HasAspect | gene
Facets:
Source sentences:
text: All viruses have genes constructed from either deoxyribonucleic acid (DNA) or ribonucleic acid (RNA)—long helical molecules that carry genetic information.
text: The great majority have an RNA genome, which is usually small and single stranded (ss), but some viruses have double-stranded (ds) RNA, ssDNA or dsDNA genomes.
text: Although viruses have a genome, they need to take over the machinery of other living cells to follow the virus genome instructions.
text: Most viruses have just a few genes, which contain the instructions for making new viruses in either DNA or its single-stranded relative, RNA.