Bacteria & Viruses















Comparing Bacteria & Viruses:



Single celled Non Cellular
Larger Much smaller
Covered by cell wall Covered by protein coat
Has cell membrane No cell membrane
Has cytoplasm No cytoplasm
Genes on a DNA chromosome ring Genes on a singles strand of DNA or RNA
Sperical, rod-shaped or spiral Simple geometric shapes
Reproduces by Binary fission Replicates only in a Host cell
Only few are disease causing All parasitic & disease causing


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