Fuel sources that supply substrate for oxidation and subsequent ATP formation include all of the following except:

Question

Quizplus · Accepted Answer

Intracellular nitrogen skeletons of amino acids are not directly used as fuel sources for ATP formation in the same way as glucose, triacylglycerols, and free fatty acids. Instead, amino acids primarily serve as building blocks for proteins or can be converted into other compounds through various metabolic pathways.

Fuel Sources That Supply Substrate for Oxidation and Subsequent ATP