ChatterBank1 min ago
Viruses
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How do viruses ,represented as genes, invade cell to produce replicas of themselves?
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For more on marking an answer as the "Best Answer", please visit our FAQ.They are surrounded by a protein coat that can unlock a cell membrane to inject a RNA snippet.
This then usurps the normal protein factories in the nucleus, forcing the hijacked cell to build thousands of replicas of the complete virus. When the cell dies, these escape to infect further cells in a chain reaction until antibody production catches up and jams the keys on the viruses' coats.
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As Calvesy said, they can reproduce so quickly that they can overwhelm the host's immune system before it knows what'* *** it. Viruses can also 'fool' the body's cells into accepting them, by replicating the host's cells closely. Simple, but clever organisms are viruses. They are weedy, too, but the things that kill them (bleach, disinfectant) are also harmful to their hosts!
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