=intron regions b)Indicate whether each of the following statements is true or false. If false correct the statement or provide a brief explanation for why it is false i)Memory cells are the basis for a strong secondary humoral immune response ii)T cells produce antibodies that bind antigen ii)Macrophages present antigenic peptides on MHC II proteins to B cells iv)Clonal expansion means that any B cells present at the time of exposure to an antigen will be stimulated to proliferate. v) The two antigen binding sites formed by the variable regions in a single antibody molecule bind to two different antigenic determinants c)When a rabbit protein is injected into rabbits, no antibodies against this protein are generated. If, however the same rabbit protein is injected into guinea pigs, the guinea pigs generate antibodies against the rabbit protein. Briefly (in one or two sentences) explain this observation10 V segments D segments J segments constant segment = intron regions b) Indicate whether each of the following statements is true or false. If false, correct the statement or provide a brief explanation for why it is false. i) Memory cells are the basis for a strong secondary humoral immune response. ii) T cells produce antibodies that bind antigen. iii) Macrophages present antigenic peptides on MHC II proteins to B cells. iv) Clonal expansion means that any B cells present at the time of exposure to an antigen will be stimulated to proliferate. v) The two antigen binding sites formed by the variable regions in a single antibody molecule bind to two different antigenic determinants. c) When a rabbit protein is injected into rabbits, no antibodies against this protein are generated. If, however, the same rabbit protein is injected into guinea pigs, the guinea pigs generate antibodies against the rabbit protein. Briefly (in one or two sentences) explain this observation