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Microbiology
Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.
18. Viruses, Viroids, & Prions
Animal Viruses: 1. Attachment to the Host Cell
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Animal Viruses: 1. Attachment to the Host Cell
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Problem
The first step of a viral infection is virus ______________, when the spike proteins of the virus attach to the ___________ of the host cell.
A
Entry; plasma membrane.
B
Attachment; surface receptors.
C
Uncoating; DNA.
D
Assembly; receptor proteins.
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Problem
An antiviral drug specifically modifies viral receptors on a eukaryotic host cell. How might this affect the viral reproductive cycle?
A
It would stop the virus from attaching to the host cell.
B
It would facilitate the process of entry via endocytosis.
C
It would result in the uncoating of the viral DNA.
D
It would increase the production of viral proteins by the host cell.