 
			 
			MCQOPTIONS
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				| 1. | Which of the following transmembrane proteins form tight junctions? | 
| A. | Selectins and IgSF | 
| B. | Cadherins and selectins | 
| C. | Integrins and selectins | 
| D. | Occludin and Claudins | 
| Answer» E. | |