During muscle contraction, ATP is provided by a. a coupled reaction of creatine phosphate with ADP, b. aerobic respiration of glucose, and c. anaerobic glycolysis. ______  (1) Which provides ATP fastest? ______  (2) Which does (do) not require that oxygen be available? ______  (3) Which provides the highest yield of ATP per glucose molecule? ______  (4) Which results in the formation of lactic acid? ______  (5) Which has carbon dioxide and water products? ______  (6) Which is most important in endurance sports?