21. Bacteria and other prokaryotic cells have the capacity to get more ATP/glucose oxidized than eukaryotic cells because__________，so they are more efficient.
(A) they are simpler and have less going on
(B) they don't have to use shuttles to reoxidize reduced nucleotides
(C) they do not have to translocate ATP-ADP across the mitochondrial membranes
(D) they use an electron transport chain that translocates more protons
(E) None of the above.
答案：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中