A dynamic character is a character who consciously does a lot of  things in order to make things happen- i.e is a catalyst for  other events. They could be described as ha â¦ ving a lot of get up  and go; they are motivated.
Hemagglutinin, any of a group of naturally occurring glycoproteins that cause red blood cells (erythrocytes) to agglutinate, or clump together. These substances are found in plants, invertebrates, and certain microorganisms.
These changes may regard only the hemagglutinin or the hemagglutinin and the neuraminidase. In human infections three major antigenic subtypes of hemagglutinins (H1,H2,H3) and two neuroaminidases (N1,N2) have been identified. The hemagglutinins, once denominated Ho and Hsw, are now classified as variants of H1 (see the summary).