Multiple Choice
Which of the following best describes the process by which a virus introduces its genetic material into a host cell?
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1. Introduction to Microbiology
Acellular Infectious Agents: Viruses, Viroids & Prions
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All viruses are made up of two essential components. These components are:
A
Nucleic acid and protein coat (capsid)
B
DNA and lipid envelope
C
Protein coat and cell wall
D
RNA and carbohydrate shell
Verified step by step guidance1
Understand that viruses are simple infectious agents composed of essential structural components necessary for their function and survival.
Identify the two fundamental components that all viruses possess: the genetic material and the protective outer layer.
Recognize that the genetic material can be either DNA or RNA, but every virus has nucleic acid as its core component.
Know that the protective outer layer surrounding the nucleic acid is a protein coat called the capsid, which protects the viral genome and aids in infection.
Conclude that the two essential components common to all viruses are the nucleic acid (DNA or RNA) and the protein coat (capsid).
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