Multiple Choice
Which sexually transmitted infection (STI) is caused by a virus?
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18. Viruses, Viroids, & Prions
Introduction to Viruses
Struggling with Microbiology?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In viruses, the instructions for making new copies of the virus are encoded in which component?
A
The host cell ribosomes
B
The capsid proteins
C
The viral envelope phospholipid bilayer
D
The viral genome (DNA or RNA)
Verified step by step guidance1
Understand that viruses carry genetic information necessary for replication and production of new virus particles.
Identify the components of a virus: the viral genome (which can be DNA or RNA), the capsid (protein coat), and sometimes an envelope (phospholipid bilayer).
Recognize that the viral genome contains the instructions or genetic code for making new viral components.
Know that host cell ribosomes are the machinery that reads the viral genome's instructions to synthesize viral proteins, but they do not contain the instructions themselves.
Conclude that the instructions for making new copies of the virus are encoded in the viral genome (DNA or RNA), not in the capsid proteins, envelope, or host ribosomes.
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