You can choose flour with high protein content to produce bread with crispy crust and chewy crumbs. If you want to bake quick bread and dinner roll, you can use a moderate protein content flour to have that tender, soft crumb. The following are the types of flour and their corresponding protein contents:
Bread Flour --------------------------------------------- 12 to 14%
All Purpose Flour -------------------------------------- 10 to 11.7%
Gold Medal Unbleached All Purpose Flour -------- 10.5%
Pillsbury All Purpose Unbleached Flour ------------ 10.5%
King Arthur Unbleached All Purpose Flour -------- 11.7%
Whole Wheat Flour ------------------------------------ 13%