9. Which one is the byproducts generated from the oxidative phosphorylation for energy production?(A)ATP(B)NADH(C)ROS(D)FADH2

13. How does inhibition of the Na+/K+ ATPase increase the force of heart muscle contraction?(A)It increases cytosolic Na+ and therefore decreases Ca2+ export.(B)It increases cytosolic K+ and therefore decreases Ca2+ export.(C)It decreases cytosolic Na+ and therefore decreases Ca2+ export.(D)It decreases cytosolic K+ and therefore decreases Ca2+ export.