Words to Describe virions

How virions often is described ("________ virions")

• forming
• empty
• progeny
• naked
• nascent
• enveloped
• filamentous
• immature
• occluded
• infective
• spherical
• mixed
• infectious
• type
• intracellular
• disrupted
• adsorbed
• characteristic
• containing
• rotavirus
• authentic
• viable
• competent
• grown
• shaped
• fewer
• mutant
• coated
• recognizable
• resistant
• isometric
• defective
• icosahedral
• preformed
• retroviral
• polyhedral
• intranuclear
• free
• intact
• avian
• inactive
• untreated
• new
• paramyxovirus
• heterozygous
• helical
• purified
• functional
• separate
• extracellular
• hybrid
• like
• heterogeneous
• native
• vesicular
• associated
• mature
• typical
• numerous
• parental
• complete
• incomplete
• treated
• pleomorphic
• bound
• individual
• standard
• inactivated
• complex
• noninfectious
• whole
• isolated