The Proteinaceous structure of the virus can mutate over time and lead to the development of new strains.
The mutation may be defined as the phenomenon of altering the sudden, stable, and inheritable genomic sequences of the organisms.
The outer layer of the virus is made of proteins and is hence known as a capsid. This layer is responsible for the allocation of mutations over time and leads to the development of new strains with respect to protein structures.
The changes in protein structures alter the whole physiology, metabolic, and anatomy of viruses accordingly.
Therefore, it is well described above.
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