A-LevelBiologyImmunity9700/12 · May/June 2024 · Q391 Mark
Which statement about the properties of the antigen-binding sites in different antibody molecules is correct?
AThey are located on the light chains only.
BThey have a hinge region to give flexibility for different antigens.
CThey have binding sites for receptors on phagocytes.
DThey have variable amino acid sequences for different antigens.
✓ Correct answer
D: They have variable amino acid sequences for different antigens.
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