can made proteins can dsdna is acid all can have nucleic acid can consists nucleic acid can digestion nucleic acid all consists have nucleic acid all digestion have nucleic acid consists digestion nucleic can function matrix proteins can form rod-shaped can is ssrna can form hexons triangular all central consist core have all central core have some central consist core have some envelope have made some digestion function protect function have proteins some all capsid consists have capsid consists function is capsid consists made all capsid function have is all capsid have made capsid function is made all can have negative polarity all are consist viruses can is polarity positive which are capsomers form that can capsomers form capsomers form function capsomers form made are can capsomers that are capsomers function that are capsomers made that can capsomers function can capsomers made capsomers function made all capsid form have helical all covering have some consist covering have some all consist covering have can form pentons round can function proteins surface as function known proteins surface as can known proteins surface bilayer made phospholipid attach cell function host can is rna