Krebs Cycle Flashcards
1
Q
Where does the Krebs cycle happen?
A
The matrix
2
Q
What does 2C acetyl coenzyme A bind to?
A
4C compound
3
Q
When 2C acetyl coenzyme A binds to 4C compound, 1) what stays, 2) what goes ?
A
1) the 2C acetate
2) the coenzyme A
4
Q
What is produced when 4C compound and 2C acetate bind?
A
6C citrate
5
Q
What happens to 6C citrate and how does it happen? 2 points
A
- it loses 1C CO2
- NAD -> NADH
6
Q
When 6C citrate looses a 1)_____ it forms a 2) _______.
A
1) 1C CO2
2) 5C compound
7
Q
What happens to the 5C compound formed (what does it become)?
A
It returns to a 4C compound
8
Q
How does a 4C compound formed from the 5C compound? 4 points
A
- 1CO2 is lost
- FADH-> FADH2
- 2NAD -> 2NADH
- ADP + Pi -> ATP (substrate level phosphorylation)
