Why is gluconeogenesis not the reverse of glycolysis?

Related questions

1. What is the difference between gluconeogenesis and glycolysis?
2. What enzymes are unique to gluconeogenesis?
3. What happens to a body during starvation?
4. What activates gluconeogenesis?
5. Is 7.1 Blood sugar high?
6. How long does gluconeogenesis last?
7. What happens if your blood sugar is over 700?
8. How many steps does gluconeogenesis have?
9. What stimulates glycogen breakdown?
10. Why is gluconeogenesis necessary?

Tags

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2. #pyruvate
3. #certain
4. #molecule
5. #glucose
6. #cycle
7. #molecules
8. #glycolysis
9. #reverse
10. #level
11. #citric
12. #breaks
13. #whereas
14. #gluconeogenesis
15. #energy
16. #takes
17. #obtain
18. #because
19. #think
20. #tempting