Question

(a) What is the functional difference between B cells and T cells.
(b) Name the source used to produce hepatitis B vaccine using rDNA technology.

Answer 1

Answer:

B cells produce and secrete antibodies, activating the immune system to destroy the pathogens. The main difference between T cells and B cells is that T cells can only recognize viral antigens outside the infected cells whereas B cells can recognize the surface antigens of bacteria and viruses.