Krebs Cycle

Question 1

Why is their less o2 uptake when kerbs cycle is inhibited

Answer 1

• less NADH and coenzymes produced
• o2 is final acceptor electron

Question 2

What happens in the krebs cycle

Answer 2

-acetylene coenzyme A (2c) reacts with (4c) molecule
- releasing coA
- producing a 6c molecule that enter the Krebs cycle
- 4c molecule is regenerated and
- Series of redox reactions produces
- ATP by substrate levels phosphorylation
- reduced FAD and NAD
- 2x co2 lost

Question 3

Products produced per glucose molecules in Krebs cycle

Answer 3

Useful - 6 x NADH 2 x FADH 2 x ATP
Waste - 4 x co2

Question 4

Where does the krebs cycle occur

Answer 4

Mitochondrial matrix