Biology: Concepts and Investigations
Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 16, Problem 7MCQ
Summary Introduction

Introduction:

A disease that is caused due to infection of virus is known as viral infection. A person can acquire the infection by inspiring the respiratory droplets of infected person or by consuming contaminated water or food.

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Which of the following statements about viruses is false? a. Viruses require a host cell to reproduce. b. Viruses are sensitive to interferons. c. Viral infections can generally be controlled with antibiotics. d. Viruses encode their own genome.
Why are vaccines and/or passive immunization the method of choice in the treatment or prevention of viral infections? A. There are no known inhibitors to reverse transcription B. Viruses are non-living and do not have their own genetic mechanisms to reproduce by themselves hence host cells must rely on targeting the virus or their products. C. Antibodies prevent replication of viral genome D. Antibodies prevent transcription and translation of viral genomes E. All of these
During viral infection, attachment is usually specific to a particular celltype becausea. the virus is attracted to the appropriate host cells by proteinssecreted into the extracellular fluid.b. the virus recognizes and binds to specific molecules in thecytoplasm of the host cell.c. the virus recognizes and binds to specific molecules on the surfaceof the host cell.d. the host cell produces channel proteins that provide passageways forviruses to enter the cytoplasm.e. the virus releases specific proteins that make holes in the membranelarge enough for the virus to enter.

Chapter 16 Solutions

Biology: Concepts and Investigations

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What Is A Virus ? ; Author: Peekaboo Kidz;https://www.youtube.com/watch?v=YS7vsBgWszI;License: Standard YouTube License, CC-BY