Assertion: virus | /r/HasProperty | classified into family
Facets:
value: further
type: MANNER
Source sentences:
text: Viruses are further classified into families and genera based on three structural considerations: 1) the type and size of their nucleic acid, 2) the size and shape of the capsid, and 3) whether they have a lipid envelope surrounding the nucleocapsid (the capsid enclosed nucleic acid).