Why have the majority of viruses evolved to bind to a host surface receptor that serves an essential function in the host cell? O This is completely accidental. O These host receptors are poorly protected by the adaptive immune system, making them an easy target for the virus. O Because proteins that perform essential functions are located only on the surface of the host cell. O Host surface receptors that are essential for the host will always be expressed and present on the host.
Why have the majority of viruses evolved to bind to a host surface receptor that serves an essential function in the host cell? O This is completely accidental. O These host receptors are poorly protected by the adaptive immune system, making them an easy target for the virus. O Because proteins that perform essential functions are located only on the surface of the host cell. O Host surface receptors that are essential for the host will always be expressed and present on the host.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Question 1
Why have the majority of viruses evolved to bind to a host surface receptor that serves an essential function in the host cell?
This is completely accidental.
These host receptors are poorly protected by the adaptive immune system, making them an easy target for the virus.
O Because proteins that perform essential functions are located only on the surface of the host cell.
O Host surface receptors that are essential for the host will always be expressed and present on the host.
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Viruses can be referred to as a collection of genetic codes, either DNA or RNA that are encased in a protein coat. These viruses are non-living outside a living host but as soon as they enter a specific host they take over the cellular machinery of the host cell in order to produce their progeny viruses. They can be considered as a connecting link between the living and non-living.
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