Campbell Biology in Focus (2nd Edition)
Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 17, Problem 8TYU
Summary Introduction

To determine:

The given mechanism of the success of viruses in the way they evolve, the way in which they escape the host defense mechanisms as an example of microcosm and the viral lineages that tend to predominate.

Introduction:

Microcosm is a term the meaning of which is that it is a miniature representation of something, especially a unit, group, or place that is regarded as a copy of a larger one. There are many factors on which the evolution of amicro-organism depends. They can be changes in the environment, administration of any drug(s) mutation and many more.

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The success of some viruses lies in their ability to evolve rapidly within the host. Such a virus evades the host's defenses by mutating and producing many altered progeny viruses before the body can mount an attack. Thus, the viruses present late in infection differ from those that initially infected the body. Discuss this as an example of evolution in a microcosm. Which viral lineages tend to predominate?
Select all the following statements that are TRUE regarding viruses: □ All viruses are potentially dangerous to humans because any virus can infect any host. □ Viruses are fastidious pathogens that require complex growth media. □ Viruses are noncellular particles that take over the metabolism of a cell to generate more virus particles. □ Viruses are genomes made of RNA and DNA that lack many protein. □ Viruses can infect all other known life forms on earth, from Archaea to humans.
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What Is A Virus ? ; Author: Peekaboo Kidz;https://www.youtube.com/watch?v=YS7vsBgWszI;License: Standard YouTube License, CC-BY