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Lytic viral cycle, diagram
Lytic viral cycle. Diagram showing the lytic cycle for viral reproduction. The example given here is for bacteriophages, viruses that infect bacteria. At upper left, a bacteriophage (yellow) attaches to the bacteria (blue oval) and injects viral DNA (deoxyribonucleic acid, red loop). At upper right, the host DNA (blue loop) and cell mechanisms are used to replicate the viral DNA and produce new bacteriophages that incorporate the copies of the viral DNA. At lower right, the destruction (lysis) of the bacterial cell releases the new viruses. Unlike the lysogenic cycle, the host cells are destroyed by the release of the new copies of the viruses.
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