Question

what is hemagglutinin?​

Answer 1

Explanation:

Roentgenogram, also called roentgenograph or X-ray image, photograph of internal structures that is made by passing X-rays through the body to produce a shadow image on specially sensitized film. The roentgenogram is named after German physicist Wilhelm Conrad Röntgen, who discovered X-rays in 1895.

Answer 2

Explanation:

a substance, such as a viral protein, which causes haemagglutination.