MEMORY CELLS

• HOW LONG DO B MEMORY CELLS LIVE FOR?

  decades (plasma cells are short-lived)
• WHAT DO B-MEMORY CELLS NOT DO?

  make antibodies
• WHAT DO B-MEMORY CELLS DO?

  divide by mitosis and make plasma cells rapidly if they collide with a previously-encountered antigen
• WHAT HAPPENS AFTER B MEMORY CELLS MAKE PLASMA CELLS?

  large numbers of antibodies are produced rapidly causing the pathogen to be destroyed before symptoms
• WHAT DO B MEMORY CELLS CAUSE?

  active immunity