A bacterial pathogen makes a protein that functions as a toxin. This toxin is harmful to humans. People may be vaccinated so they are protected from the effects of this pathogen. Which statement describes the sequence of events that takes place in a vaccinated person to protect them from the effects of this pathogen?
- AMemory cells divide by mitosis and then differentiate into macrophages that engulf and digest the toxin.
- BMemory cells divide by mitosis and then differentiate into plasma cells that produce antibodies to bind to the toxin.
- CMacrophages divide by mitosis and then differentiate into memory cells that engulf and digest the toxin.
- DPlasma cells divide by mitosis and then differentiate into memory cells that produce antibodies to bind to the toxin.