 
			 
			MCQOPTIONS
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				| 1. | Which of the following is one of the family of immunoglobin like proteins that mediate Ca⁺²? | 
| A. | N-CAM | 
| B. | Integrin | 
| C. | Cadherin | 
| D. | Selectin | 
| Answer» B. Integrin | |