The whole world right now is concerned (or they should be) about the appearance of new variants of SARS-CoV-2. Among other things, these variant viruses have mutations that change the amino acid sequence of the spike protein on the virus surface. While this is concerning, I would like to propose that there is a limit to how far these mutations can change the spike protein. Why can't there be an endless number of new mutations of this viral protein? How would these amino acid changes affect how the virus works?

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
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The whole world right now is concerned (or they should be) about the appearance of new variants
of SARS-CoV-2. Among other things, these variant viruses have mutations that change the amino
acid sequence of the spike protein on the virus surface. While this is concerning, I would like to
propose that there is a limit to how far these mutations can change the spike protein. Why can't
there be an endless number of new mutations of this viral protein? How would these amino acid
changes affect how the virus works?
Transcribed Image Text:The whole world right now is concerned (or they should be) about the appearance of new variants of SARS-CoV-2. Among other things, these variant viruses have mutations that change the amino acid sequence of the spike protein on the virus surface. While this is concerning, I would like to propose that there is a limit to how far these mutations can change the spike protein. Why can't there be an endless number of new mutations of this viral protein? How would these amino acid changes affect how the virus works?
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Step 1

Corona virus (SARS COV 2) is a Positive strand, RNA virus that has caused highly deadly changes in the human body affecting the lower respiratory tract of the body.

The virus affects through the spike proteins and no medications has been produced till today because it mutates rapidly with a variety of combinations. But there is a end to this muttations but the predicting all possibilities is quite difficult by the researchers.

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