B cells have antigen receptors that bind to antigens that are either freely dissolved or present on the surface of invading/foreign cells. T cells have antigen receptors that
A) are active only in lymph nodes.
B) bind only to antigens present on the surface of the invading/foreign cells.
C) bind only to freely dissolved antigens in the plasma.
D) bind to antigens presented on major histocompatability complexes by host cells.
E) bind to antigens that are either freely dissolved or present on the surface of invading/foreign cells.
Modifications that occur at the ends of mRNA in eukaryotic cells.
Nondisjunction during the formation of haploid cells.
Turgid, plasmolyzed, and flaccid plant cells.
Antigen-antibody complexes
Mouse with human liver cells
The primary response causes B cells to produce memory B cells and a few antibodies. The second ...