Question

I1. Mammals lack the enzyme a. Lactate dehydrogenase b. Pyruvate kinase Alcohol Dehydrogenase c. d. Pyruvate decarboxylase None of the above are correct e. 12. The first reaction of the Krebs cycle combines Oxaloacetate and Acetyl CoA to make Citrate b. a. Malate and NADH to make Citrate a-ketoglutarate and citrate to make CO2 d. c- Succinate and Citrate to make Oxaloacetate 13. The electrons held by NADH and FADH, are donated to the which complexes in the ETC respectively? a. Complex I and II b. Complex I and 111 c. Complex II and III d. Complex II and IV 14. The reactions of glycogen synthesis occur in the a. mitochondria b. cytosol c. chloroplast d. nucleus 15. The reactions of the TCA cycle occur in the a. Mitochondrial inner membrane space b. cytosol c. chloroplast d. Mitochondrial matrix 16. Before the carbons of pyruvate can enter the citric acid cycle, pyruvate must first be converted to a. Coenzyme A and CO b. Oxaloacetate and CO c. Glucose and CO d. AcetylCoA and CO 17. The enzyme that catalyzes the conversion discussed in problem 16 is called a. Pyruvate dehydrogenase b. Lactate dehydrogenase c. Pyruvate phosphatase d. Pyruvate kinase 18. The gas that is released when the carbons of acetyl CoA are oxidized in the TCA cycle is с.H2O d. CO e. CO2 19. Each turn of the citrie acid cycle produces a. 2 molecules of NADH, and 2 molecules of FADH, b. 3 molecules of NADH, and 2 molecules of FADH c. I molecule of NADH, and 3 molecules of FADH d. 3 molecules of NADH, and I molecule of FADH 20. A by-product of the electron transport chain is the generation of a chemical gradient of a. Hydride (H:) ions b. Hydroxide (OH) ions c. Hyrdogen (H') ions d. Water (H,O) 21. The enzyme complex located on the inner mitochondrial membrane that synthesizes ATP is called a. ATP productase b. ATP formase c. ATP catalase d. ATP synthase

Answer 1

Please find all the answer given below

11) d

12)a

13)b

14)b

15)d

16)d

17)a

18)e

19)b

21)d