Explanation:
After repeated stimulation by antigen, B cells can make antibodies that bind their antigen with much higher affinity a process called affinity maturation. ... Thus, antigen stimulation greatly increases the antibody arsenal. Antibodies are proteins, and proteins are encoded by genes.
Answer:
I think it is D
You can report me if I am wrong
Answer:
C
Explanation:
I am taking the test right now and it seems to be the most valid answer
