Which of the following is NOT true about viruses? O a. The vast majority cause severe disease of their host O b. Genes comprise 5-8% of the human genome O c. Can cause cancer O d. Can be modified to use as treatments against human conditions

Which of the following is NOT true about viruses? O a. The vast majority cause severe disease of their host O b. Genes comprise 5-8% of the human genome O c. Can cause cancer O d. Can be modified to use as treatments against human conditions

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter17: The Immune System And Disease

Section: Chapter Questions

Problem 4RQ: Which statement is true? a. A virion contains DNA and RNA. b. Viruses are acellular. c. Viruses...

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Concept explainers

Virus

Viruses are infectious microscopic agents that can only reproduce in live cells of animals, plants, or microbes and are smaller than bacteria. Vertebrates, invertebrates, plants, protists, and fungi are among their many hosts. Viruses are unable to multiply on their own due to the lack of necessary cellular machinery, but they can guide the cell machinery of a host to make additional viruses by infection. The virus enters and attaches to a particular host cell, injects its genetic material, and reproduces by using the host’s genetic material. Viruses cause infection by taking entry into the host cell and using the host cell’s enzymes and raw materials to multiply.

Question

Which of the following is NOT true about viruses?
O a. The vast majority cause severe disease of their host
O b. Genes comprise 5-8% of the human genome
O c. Can cause cancer
O d. Can be modified to use as treatments against human conditions

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