Which Statement BEST Describes How a Cell Distinguishes Between a Host

Multiple Choice

Which statement BEST describes how a cell distinguishes between a host cell and foreign cell?

A) Antibodies detect foreign cells.
B) This is what T-cells do.
C) Oligosaccharide cell markers on the surface of the cell do this.
D) A cell sends out special proteins to do this.
E) The proteins within the cell membrane do this.