MCQOPTIONS
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				| 1. | 
                                    The third assumption in predicting RNA secondary structure is that the structure is assumed to be formed by _____ of the chain back on itself in a manner that ________ | 
                            
| A. | crossing, produces knots | 
| B. | crossing, does not produce any knots | 
| C. | folding, produces knots | 
| D. | folding, does not produce any knots | 
| Answer» E. | |