![Ig heavy chains are](https://www.gkseries.com/blog/wp-content/uploads/2022/01/Ig-heavy-chains-are.png)
Q. Ig heavy chains are
A. not glycosylated
B. not important to binding of antigen
C. expressed by T cells
D. encoded by a constant region exon, variable exon, diversity exon and joining exon
Answer: encoded by a constant region exon, variable exon, diversity exon and joining exon