Multiple Choice
An antiviral drug specifically modifies viral receptors on a eukaryotic host cell. How might this affect the viral reproductive cycle?
18. Viruses, Viroids, & Prions
Animal Viruses: 1. Attachment to the Host Cell
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
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.
Verified step by step guidance1
Understand the process of viral infection: Viral infection begins with the virus attaching to the host cell. This is a crucial step for the virus to enter and infect the cell.
Identify the role of spike proteins: Spike proteins on the virus surface are responsible for recognizing and binding to specific molecules on the host cell surface.
Recognize the host cell components involved: The virus attaches to specific surface receptors on the host cell, which are proteins or glycoproteins that the virus can bind to.
Differentiate between the terms: 'Attachment' refers to the initial binding of the virus to the host cell surface receptors, while 'Entry' and 'Uncoating' are subsequent steps in the viral infection process.
Clarify the correct terminology: The correct term for the first step of viral infection is 'Attachment,' where the virus binds to the 'surface receptors' of the host cell.
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