Answer :
Events in activation of a b cell by a microbe in the order
1) A mature B cell expresses a particular type of B cell receptor on its cell membrane after differentiating from a lymphocyte stem cell.
2) The B cell's gene expression is changed, and the B cell starts to divide.
3) After several cycles of cell division, a large number of B cells bearing the same B cell receptor are created.
4) A foreign antigen is bound by the BCR (B cell receptor) of the B cell with high specificity and high affinity.
5) The B cell's second messenger signaling is turned on.
Learn more about cell by using this link:
https://brainly.com/question/3142913
#SPJ4
