When b cells encounter a pathogen, they .

a. activate cytotoxic t cells.
b. divide and produce large amounts of an antibody.
c. initiate an inflammatory response.
d. attack the cell by making a hole in its membrane.

When B cells encounter a pathogen, they divide and produce large amounts of an antibody. The correct option among all the options that are given in the question is the second option or option "b". I hope that this is the answer you were looking for and it has actually come to your help.

Control variable- changedependant variable- stays the samechanging- food itemsdependant- presences of proteins

The answer is b, as with an inference you make a statement with no evidence