Quiz SBI 4UI Quiz SBI 4UI

Ready?Ready?

1. Adding 1 ATP to glucose 1. Adding 1 ATP to glucose changes it into;changes it into;

1. Adding 1 ATP to glucose 1. Adding 1 ATP to glucose changes it into;changes it into;

Glucose 6 phosphate (or G6P)Glucose 6 phosphate (or G6P)

2. How many molecules of ATP are 2. How many molecules of ATP are required for activation?required for activation?

2. How many molecules of ATP are 2. How many molecules of ATP are required for activation?required for activation?

22

3. What type of a redox agent is 3. What type of a redox agent is NAD?NAD?

3. What type of a redox agent is 3. What type of a redox agent is NAD?NAD?

Oxidizing agentOxidizing agent

4. How many molecules of BPG are 4. How many molecules of BPG are produced per molecule of glucose?produced per molecule of glucose?

4. How many molecules of BPG are 4. How many molecules of BPG are produced per molecule of glucose?produced per molecule of glucose?

22

5. What happens when PEP is 5. What happens when PEP is changed to Pyruvate?changed to Pyruvate?

5. What happens when PEP is 5. What happens when PEP is changed to Pyruvate?changed to Pyruvate?

1 ATP is produced1 ATP is produced

6. The name given the process for 6. The name given the process for producing ATP in glycolysis? producing ATP in glycolysis?

6. The name given the process for 6. The name given the process for producing ATP in glycolysis? producing ATP in glycolysis?

Substrate level phosphorylationSubstrate level phosphorylation

7. What is pyruvate converted to if 7. What is pyruvate converted to if anaerobic respiration continues?anaerobic respiration continues?

7. What is pyruvate converted to if 7. What is pyruvate converted to if anaerobic respiration continues?anaerobic respiration continues?

Lactic acidLactic acid

8. Why would pyruvate not enter 8. Why would pyruvate not enter the mitochondria for Aerobic Resp?the mitochondria for Aerobic Resp?

8. Why would pyruvate not enter 8. Why would pyruvate not enter the mitochondria for Aerobic Resp?the mitochondria for Aerobic Resp?

Lack of OxygenLack of Oxygen

9. What reduces the pyruvate to 9. What reduces the pyruvate to lactic acid?lactic acid?

9. What reduces the pyruvate to 9. What reduces the pyruvate to lactic acid?lactic acid?

NADHNADH

10. State 3 things that happen to 10. State 3 things that happen to pyruvate before the Co-A attachespyruvate before the Co-A attaches

10. State 3 things that happen to 10. State 3 things that happen to pyruvate before the Co-A attachespyruvate before the Co-A attaches

(1 mark each)(1 mark each)DecarboxylationDecarboxylationHydrationHydrationOxidationOxidation

11. What is Co-A?11. What is Co-A?

11. What is Co-A?11. What is Co-A?

It is a co-enzymeIt is a co-enzyme

12. What does Co-A do?12. What does Co-A do?

12. What does Co-A do?12. What does Co-A do?

Carries the Acetate molecule into the Carries the Acetate molecule into the Krebs CycleKrebs Cycle

13. What is the function of the co-13. What is the function of the co-enzymes in the Krebs Cycle?enzymes in the Krebs Cycle?

13. What is the function of the co-13. What is the function of the co-enzymes in the Krebs Cycle?enzymes in the Krebs Cycle?

To carry energy (electrons and H) to the To carry energy (electrons and H) to the ETCETC

14.What other Co-enzymes are 14.What other Co-enzymes are involved in the Krebs Cycle?involved in the Krebs Cycle?

14.What other Co-enzymes are 14.What other Co-enzymes are involved in the Krebs Cycle?involved in the Krebs Cycle?

(1 mark each)(1 mark each)NAD NAD FADFAD

15. State the 3 molecules that are 15. State the 3 molecules that are oxidized by NAD in Krebs Cycle.oxidized by NAD in Krebs Cycle.

15. State the 3 molecules that are 15. State the 3 molecules that are oxidized by NAD in Krebs Cycle.oxidized by NAD in Krebs Cycle.

(1 mark each)(1 mark each)Citric acidCitric acidαα-Ketoglutaric acid-Ketoglutaric acidMalicMalic

16. What is the 416. What is the 4thth molecule molecule oxidized in Krebs Cycle?oxidized in Krebs Cycle?

16. What is the 416. What is the 4thth molecule molecule oxidized in Krebs Cycle?oxidized in Krebs Cycle?

Succinic acidSuccinic acid

17. Which molecule in Krebs Cycle 17. Which molecule in Krebs Cycle is hydrated?is hydrated?

17. Which molecule in Krebs Cycle 17. Which molecule in Krebs Cycle is hydrated?is hydrated?

Fumaric acidFumaric acid

18. Which molecule is 18. Which molecule is decarboxylated in Krebs Cycle?decarboxylated in Krebs Cycle?

18. Which molecule is 18. Which molecule is decarboxylated in Krebs Cycle?decarboxylated in Krebs Cycle?

Citric acidCitric acid

19. Which molecule is substrate 19. Which molecule is substrate level phosphorylated?level phosphorylated?

19. Which molecule is substrate 19. Which molecule is substrate level phosphorylated?level phosphorylated?

αα-Ketoglutaric acid-Ketoglutaric acid

20. What enzyme accepts 20. What enzyme accepts electrons/H from NADH for ETC?electrons/H from NADH for ETC?

20. What enzyme accepts 20. What enzyme accepts electrons/H from NADH for ETC?electrons/H from NADH for ETC?

NAD Dehy (dehydrogenase)NAD Dehy (dehydrogenase)

21. What do electrons only one way 21. What do electrons only one way in the ETC?in the ETC?

21. What do electrons only one way 21. What do electrons only one way in the ETC?in the ETC?

Increasing electronegativity of the Increasing electronegativity of the moleculesmolecules

22. What does the NAD Dehy, Cyt 22. What does the NAD Dehy, Cyt b-c1 and Cyt oxidase have in b-c1 and Cyt oxidase have in

common?common?

22. What does the NAD Dehy, Cyt 22. What does the NAD Dehy, Cyt b-c1 and Cyt oxidase have in b-c1 and Cyt oxidase have in

common?common?

Each molecule passes protons into the Each molecule passes protons into the intermembrane spaceintermembrane space

23. Why does FADH only result in 2 23. Why does FADH only result in 2 ATPs produced and NADH in 3?ATPs produced and NADH in 3?

23. Why does FADH only result in 2 23. Why does FADH only result in 2 ATPs produced and NADH in 3?ATPs produced and NADH in 3?

FADH misses NAD DehyFADH misses NAD Dehy

24. Name the process by which 24. Name the process by which protons produce ATPprotons produce ATP

24. Name the process by which 24. Name the process by which protons produce ATPprotons produce ATP

ChemiosmosisChemiosmosis

25. What happens to the electrons 25. What happens to the electrons at the end of the ETC?at the end of the ETC?

25. What happens to the electrons 25. What happens to the electrons at the end of the ETC?at the end of the ETC?

They’re combined with H using Cyt They’re combined with H using Cyt oxidase top produce water oxidase top produce water

That’s all folks!That’s all folks!

The total is 30The total is 30