Annex A Draw and label the following on your B-cell receptor model: Annex B 1. 2. 3. 4. 5. Heavy Chain, light chain Constant region, variable region (on each chain) Antigen binding site (circle it) Bonds between each chains (draw on paper) Transmembrane region Cell surface membrane Extracellular region B-cell Intracellular region Annex C Draw and label the following on your antibody model: 1. 2. 3. 4. 5. Heavy Chain, light chain Constant region, variable region (on each chain) Antigen binding site (circle it) Bonds between each chains (draw on paper) Fab and Fc region