Problem: Select characteristics exhibited by viral capsids. Check All That Apply Composed entirely of protein Composed entirely of protein May be an icosahedral shape May be an icosahedral shape Contain a significant amount of phospholipid Contain a significant amount of phospholipid May be spherical in shape May be spherical in shape May be helical in shape May be helical in shape Protect the viral nucleic acid Protect the viral nucleic acid Composed of subunits called capsomers Composed of subunits called capsomers May bind to the surface of the host cell May bind to the surface of the host cell