The primary function of the hemagglutinin protein is to:

A. Attach to sialic acid residues on the cell surface and promote engulfment
B. Transcribe the viral RNA
C. Permit the release of viral progeny from the cell
D. Prevent attachment to red blood cells


Ans: A. Attach to sialic acid residues on the cell surface and promote engulfment

Biology & Microbiology

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