Quiz SBI 4UI

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Quiz SBI 4UI

• Ready?

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

• Glucose 6 phosphate (or G6P)

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

• 2

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

• Oxidizing agent

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

• 2

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

• 1 ATP is produced

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

• Substrate level phosphorylation

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

• Lactic acid

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

• Lack of Oxygen

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

• NADH

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

• (1 mark each)
• Decarboxylation
• Hydration
• Oxidation

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

• It is a co-enzyme

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

• Carries the Acetate molecule into the Krebs Cycle

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

• To carry energy (electrons and H) to the ETC

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

• (1 mark each)
• NAD
• FAD

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

• (1 mark each)
• Citric acid
• a-Ketoglutaric acid
• Malic

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

• Succinic acid

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

• Fumaric acid

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

• Citric acid

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

• a-Ketoglutaric acid

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

• NAD Dehy (dehydrogenase)

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

• Increasing electronegativity of the molecules

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

• Each molecule passes protons into the
  intermembrane space

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

• FADH misses NAD Dehy

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

• Chemiosmosis

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

• Theyre combined with H using Cyt oxidase top
  produce water

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Thats all folks!

• The total is 30