A constant availability of fuels in the blood is called ____ and the order of preference for fuel usage is ____.

A) phosphorylation potential; glycogen> triacylglycerols> protein
B) fuel dynamics; triacylglycerols> glycogen> protein
C) metabolic regulation; triacylglycerols> glycogen> protein
D) caloric homeostasis; glycogen> triacylglycerols> protein
E) none are true