Fill in the Blanks ETC Fill in the BlanksOnline version ECT Word by kenneth thomas 1 FADH Oxygen inner glycolysis oxidative vitaminK mitochondrial protons membrane NADH phosphorylation synthesis of ATP is done by a reaction called . This takes place in the - . 2 must be pumped out of the membrane to create the gradient necessary to create the potential energy required to generate 1 atp . Each molecule fed into the reaction results in the production of 3 ATP . Each molecule results in 2 ATP . is the ultimate receptor of electrons . CoQ is required , and is similar in structure to The NADH and FADH required for the reaction are supplied as the products of .