Virus!

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What are viruses?

Back

Viruses are microscopic infectious agents that can only replicate inside the living cells of an organism.

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Do viruses have a cellular structure?

Back

No, viruses do not have a cellular structure; they are made up of genetic material (DNA or RNA) surrounded by a protein coat.

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How do viruses reproduce?

Back

Viruses reproduce by infecting a host cell and using the host's cellular machinery to replicate their genetic material and produce new virus particles.

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What is the difference between bacteria and viruses?

Back

Bacteria are single-celled organisms that can live independently, while viruses are not cells and require a host to reproduce.

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Can viruses be treated with antibiotics?

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No, antibiotics are effective against bacteria, not viruses.

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What is gene therapy?

Back

Gene therapy is a medical technique that uses viruses to deliver genetic material into cells to treat or prevent disease.

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What is a viral infection?

Back

A viral infection occurs when a virus enters the body, multiplies, and causes disease.

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Can viruses be beneficial?

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Yes, some viruses can be beneficial, such as those used in gene therapy or to control bacterial infections.

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What is a vaccine?

Back

A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease, often using weakened or inactive forms of the virus.

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What role do viruses play in ecosystems?

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Viruses can regulate populations of bacteria and other microorganisms, contributing to nutrient cycling and ecosystem health.