 
 <translate> To answer the above question, the relevant sentence is: Aerobic metabolism is up to 15 times more efficient than anaerobic metabolism (which yields 2 molecules ATP per 1 molecule glucose).
The answer: 2. <ibo> Iji zaa ajụjụ a dị n'elu, ahịrịokwu ahụ dị mkpa bụ: Aerobic metabolism bụ ihe ruru ugboro iri na ise karịa nke anaerobic (nke na-ewepụta mkpụrụ ndụ 2 ATP kwa 1 glucose). Azịza ya bụ: 2. 