How viruses hijack cells to replicate or hide within DNA
In short: This video explains the two primary ways viruses reproduce: the aggressive lytic cycle and the stealthy lysogenic cycle. Learn how viruses can either burst a cell to release new copies or integrate themselves into a host's genetic code to wait for the perfect moment to strike.
The video explores the distinction between the lytic and lysogenic cycles. In the lytic cycle, a virus hijacks a host cell's machinery to produce copies of itself until the cell lyses, or bursts, releasing the new viruses. In contrast, the lysogenic cycle involves the virus integrating its genetic material into the host's DNA. In this state, the viral material is replicated alongside the host's DNA every time the cell divides. This dormant state can eventually switch to the lytic cycle when triggered by environmental signals or stress.
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Sources
- Summary by Intellect · source: Lytic and lysogenic cycles | Viruses | High school biology | Khan Academy
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