amino - Specific stretches of ______ acids in spike protein on the virus’s surface and the central nucleocapsid protein holding the viral genome have caused this mutation, coronaviruses - MERS-COV-2, SARS-COV-2 and COVID-19 are all fatal examples of, spike - This mutation in the _____ protein aren’t found in non-lethal human coronaviruses, penetrate - Spike protein insertions help viruses ______ human cells, receptor - Spike protein improve the viruses’ abilities to interact with the ________ on human cells, dominant - Delta variant has a _______ gene producing this sort of spike protein, making it easily transmissible,

Genetics: Delta Variant

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