Label common characteristics of virusesOnline version contains 4 different components Microbiology by Paula 1 protein coat made up of units called capsomeres 2 May either be DNA or RNA and can be ss or ds 3 lipid layer raised from budding out of host cell 4 protein that allows virus to attach and enter host Explanation 1 Capsid of a Virus 2 Nucleic acid of virus 3 envelope 4 spike