Bacteria vs Viruses
Learn more: 15 Difference between Bacteria and Virus
Bacteria
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Viruses
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Most bacteria are either saprophytes or parasites.
Certain bacteria, e.g., Rickettsia and Chlamydias are obligate intracellular
parasites
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Viruses are obligate intracellular parasites
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Plasma membrane present
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Plasma membrane absent
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Binary fission occurs
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Binary fission absent
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Most bacteria cannot pass through bacteriological
filters. A few, e.g., rickettsias and chlamydias are filterable
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They can pass through bacteriological filters
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Possess both DNA and RNA
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Either DNA or RNA, but never both
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ATP generating metabolism is present
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Absent
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Ribosomes present
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Ribosome absent
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They are sensitive to antibiotics
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Insensitive to the available antibiotics
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Learn more: 15 Difference between Bacteria and Virus