Which of the following molecules of RNA would you predict to be the most likely to fold into a specific structure as a result of intramolecular base-pairing?
(a) 5'-CCCUAAAAAAAAAAAAAAAAUUUUUUUUUUUUUUUUAGGG-3'
(b) 5'-UGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUGUG-3'
(c) 5'-AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA-3'
(d) 5'-GGAAAAGGAGAUGGGCAAGGGGAAAAGGAGAUGGGCAAGG-3'
Answer: A