Microbiology A discontinuous antigen epitope is: A Presented by MHC molecules. B Produced by amino acid residues on non-adjacent polypeptide sequences. C Representative of only a minority of B-cell epitopes. D Produced by a continuous linear peptide sequence. 💡 Explanation A discontinuous antigen epitope is: ✓ Correct Answer: B. Produced by amino acid residues on non-adjacent polypeptide sequences.