Indicate which of the following statements concerning memory B cells are true (T) and which are false (F):
___ a. Memory B cells are derived from germinal center B cells as immune responses subside.
___ b. Memory B cells have long life spans.
___ c. Memory B cells possess high-affinity antigen receptors as a consequence of affinity maturation.
___ d. Memory B cells have more stringent requirements for activation than naive B cells do.
___ e. Memory B cells express only IgM and retain the capacity to switch to the most beneficial isotype during secondary responses.
a—T; b—T; c—T; d—F; e—F
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The combining form that means seminal vesicle is ____________________
Fill in the blank(s) with correct word
What do standards provide to the lesson plan?
A. broad targets B. the bulk of information C. respectability D. teacher expectations