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- 1. Multiple Choice
The first and final organic molecule of the Krebs Cycle is:
Oxaloacetate
Acetyl-CoA
Citrate
G3P
- 2. Multiple Choice
Before entering Krebs Cycle, pyruvate is:
Oxidized
Reduced
phosphorylated
converted to coenzyme A
- 3. Multiple Choice
The number of ATP molecules produced out of Krebs Cycle is per glucose:
2
1
4
0
- 4. Multiple ChoiceHow many FADH2 molecules are produced by 1 molecule of glucose?1234
- 5. Multiple ChoiceHow many FADH2 molecules are produced by 1 turn of the Krebs Cycle?1234
- 6. Multiple Choice
How many NADH molecules are produced by a molecule of glucose through pyruvate oxidation and the Krebs' Cycle?
2
4
6
8
- 7. Multiple Choice
Which of the following is not a requirement for the Krebs Cycle?
NAD+
FAD
ADP
Pyruvate
- 8. Multiple Choice
How many CO2 molecules are produced by 'just' the Krebs Cycle for a molecule of glucose?
2
4
6
3
- 9. Multiple ChoiceKrebs Cycle takes place in the:CytoplasmMatrixRibsomeInterMembrane Space
- 10. Multiple Choice
Folds in the mitochondrion are called:CristaeMatrixGolgi BodiesCarbuncles - 11. Multiple Choice
The inner most interior of the mitochondrion is called the:
Cristae
Matrix
intermembrane space
Outer membrane
- 12. Multiple ChoiceKrebs Cycle is part of_______________ respiration.AerobicAnaerobic
- 13. Multiple ChoicePrior to entering the Krebs Cycle, each pyruvate molecule loses electrons, hydrogen ions, and a carbon, forming an energy-rich molecule ofAcetyl-CoACitrateOxaloacetateMalate
- 14. Multiple ChoiceAfter the Krebs Cycle only a small portion of the energy of glucose has been converted to ATP. At this point the majority of usable energy is contained inNADH and FADH2Carbon DioxideAcetyl-CoACitrate
- 15. Multiple Choice
The first step in getting energy in the cell by breaking down glucose is known as
the Krebs cycle
oxidative phosphorylation
fermentation
glycolysis
- 16. Multiple ChoiceThe Kreb's Cycle is also known as:The Pyruvic CycleThe Respirational CycleThe Citric Acid CycleThe Berk Cycle
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