Answered: 3. Name and describe the five steps of…

3. Name and describe the five steps of viral replication. Which step or steps differ the most between bacteriophage replication and animal virus replication? Why?

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter21: Viruses

Section: Chapter Questions

Problem 9RQ: Which statement is not true of viral replication? A lysogenic cycle kills the host cell There are...

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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.

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3. Name and describe the five steps of viral replication. Which step or steps differ the most
between bacteriophage replication and animal virus replication? Why?

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Which statement is not true of viral replication? A lysogenic cycle kills the host cell There are six basic steps in the viral replication cycle Viral replication does not affect host cell function Newly released virions can infect adjacent cells.
Which statement is true? A virion contains DNA and RNA Viruses are acellular Viruses replicate outside of the cell Most viruses are easily visualized with a light microscope.
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Which statement is true of reverse transcriptase? It is a nucleic acid It infects cells It transcribes RNA to make DNA. d. It is a lipid.
The observation that the bacteria genus Chlamydia contains species that can only survive as intracellular parasites supports which viral origin hypothesis? Progressive Regressive Self-replicating Virus-first