Hemagglutinins are proteins found on the surface of certain viruses, such as the influenza virus, that facilitate the virus's entry into a host cell by binding to sialic acid on the surface of the host cell. This binding process is crucial for the virus to infect the cell and replicate.

Solved

Hemagglutinins Are

Question 33

Multiple Choice

Hemagglutinins are

A) proteins on the viral surface used to aid the release of a new virus from the host cell.
B) proteins on the surface of host cells used in the immune response against viruses.
C) proteins on the viral surface used to aid in the entry of a virus into a host cell.
D) All the given choices are correct.

Correct Answer: