 
			 
			MCQOPTIONS
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				| 1. | Nucleic acids are chains of 5-carbon sugars linked by which type of bonds with an organic base protruding from each sugar? | 
| A. | Amino | 
| B. | Phophodiester | 
| C. | Carbonyl | 
| D. | Phosphate | 
| Answer» C. Carbonyl | |