Common Properties of Both the Cell-Mediated and Humoral Immune Systems

Common properties of both the cell-mediated and humoral immune systems include: (Select all that apply.)

A) Self-recognition: the ability to recognize the body's own proteins and refrain from attacking them.
B) Recognition of common pathogenic features such as mannose in bacterial cell walls.
C) Specificity: the ability to react with molecules bearing a specific marker.
D) Both react in the same way regardless of the nature of the offending agents.
E) Memory: the ability to mount a more rapid attack on a foreign antigen because of previous exposure.
F) Self-regulation: the ability to "turn on" when a foreign antigen invades and to "turn off" when the invasion has been eradicated.