spike protein
noun/ˈspaɪk prəʊtiːn/
/ˈspaɪk prəʊtiːn/
(biology)- a part that sticks out from the outside of a virus, which joins it to a cell in the body of an animal or person and helps it to enter the cell
- A feature of coronaviruses are the spike proteins that protrude from their surface.
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spike protein