Before revision:  The predicted phase diagram shows that a sequence of structural transitions, populating distinct intermediates, occur as f and C are changed . The stem-loop tertiary interactions rupture first followed by unfolding of the 3^{\prime}-end hairpin (\textrm{ U-I } \textrm{ ).
After revision:  The predicted phase diagram shows that a sequence of structural transitions, populating distinct intermediates, occur as f and C are changed , the stem-loop tertiary interactions rupture first followed by unfolding of the 3^{\prime}-end hairpin (\textrm{ U-I } \textrm{ ).