MCQOPTIONS
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				| 1. | 
                                    Immunoglobulin consists of________________? | 
                            
| A. | 2 light, 2 heavy chains | 
| B. | 1 heavy, 2 light chains | 
| C. | 1 light, 1 heavy chain | 
| D. | 3 light, 1 heavy chain | 
| Answer» B. 1 heavy, 2 light chains | |