A Level Biology – Aerobic respiration – Glycolysis – Primrose Kitten

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A Level Biology – Aerobic respiration – Glycolysis

Last updated: 09/12/2020

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Question 1 of 25

1. Question
What does the term “glyco” mean in glycolysis”?
- Glucose
- Glycine
- Glycerol
- Fructose
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Question 2 of 25

2. Question
What does the term “lysis” mean in glycolysis?
- Split/break down
- Loosen
- Melt
- Create
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Question 3 of 25

3. Question
Which stage in respiration does glycolysis take place?
- First
- Second
- Third
- Fourth
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Question 4 of 25

4. Question
True or false: glycolysis occurs in both aerobic + anaerobic respiration.
- 1
- Neither
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Question 5 of 25

5. Question
Glycolysis occurs in which organelle?
- Cytoplasm
- Mitochondria
- Cell membrane
- Chloroplast
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Question 6 of 25

6. Question
What is the first stage of glycolysis?
- Phosphorylation of glucose to glucose phosphate
- ATP production
- Production of triose phosphate
- NADH production
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Question 7 of 25

7. Question
What is meant by the term “phosphorylation”?
- Addition of phosphate
- Removal of phosphate
- Addition of phosphorus
- Removal of phosphorus
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Question 8 of 25

8. Question
How many times is glucose phosphorylated?
- Twice
- Once
- Three times
- Four times
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Question 9 of 25

9. Question
Where does the phosphate come from?
- The hydrolysis of ATP
- DNA
- From enzymes
- It's just random
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Question 10 of 25

10. Question
How many ATP molecules are needed for glycolysis?
- Two
- One
- Three times
- None
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Question 11 of 25

11. Question
What is the second step of glycolysis?
- Production of triose phosphate
- ATP production
- Pyruvate production
- Glucose phosphorylation again
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Question 12 of 25

12. Question
How many carbons does triose phosphate contain?
- Three
- Six
- Two
- Five
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Question 13 of 25

13. Question
What happens to glucose phosphate during triose phosphate production?
- Split into 2x triose phosphate as glucose phosphate has 6 carbons.
- Completely degraded
- Phosphates are removed.
- Nothing
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Question 14 of 25

14. Question
What is the third and final step of glycolysis?
- Oxidation of triose phosphate to pyruvate
- Reduction of triose phosphate to pyruvate
- Triose phosphate degradation
- Condensation of triose phosphate
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Question 15 of 25

15. Question
What is meant by oxidation?
- Loss of electrons
- Addition of electrons
- Removal of oxygen
- Loss of neutrons
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Question 16 of 25

16. Question
What happens to triose phosphate when it’s oxidised to pyruvate?
- Phosphate groups are removed.
- Phosphorylated again.
- Condensation
- Hydrolysis
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Question 17 of 25

17. Question
Where are the phosphates tranferred to?
- ADP to form ATP
- Glycerol to form glycerol phosphate
- Proteases
- Cell wall
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Question 18 of 25

18. Question
What is the gross yield of ATP in glycolysis?
- 4
- Two
- Three
- One
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Question 19 of 25

19. Question
What allows the oxidation of triose phosphate i.e. where do the electrons go?
- The reduction of NAD to NADH
- Transferred to ATP
- The electrons become delocalised.
- Transferred to pyruvate at a later stage
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Question 20 of 25

20. Question
What type of molecule is NAD?
- Coenzyme
- Enzyme
- Lipid
- Polysaccharide
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Question 21 of 25

21. Question
How many carbons does pyruvate contain?
- Three
- Two
- Four
- Six
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Question 22 of 25

22. Question
What is the main product of glycolysis?
- Pyruvate
- ATP
- NADH
- Glucose
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Question 23 of 25

23. Question
How many pyruvate molecules are produced during glycolysis?
- Two
- One
- Three
- Four
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Question 24 of 25

24. Question
How many NADH molecules are produced during glycolysis?
- Two
- One
- Three
- Four
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Question 25 of 25

25. Question
What is the NET gain of ATP during glycolysis?
- Two
- Zero
- One
- Three
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