Composition of Bacteriophage Nucleic acid: either dna or rna but not both ds dNa Ss rNa ss dna unusual or modified bases encode 3-5 gene products to over 100 gene products Protein function in infection and protect the nucleic acidComposition of Bacteriophage ◼ Nucleic acid: either DNA or RNA but not both ◼ ds DNA, ss RNA, ss DNA ◼ unusual or modified bases ◼ encode 3-5 gene products to over 100 gene products ◼ Protein: function in infection and protect the nucleic acid