Mitochondria in energy metabolism - OXPHOS
3 important questions on Mitochondria in energy metabolism - OXPHOS
What are the 8 steps in OXPHOS?
1. Complex I takes electrons from NADH
2. Complex II takes electrons form succinate
3. Electrons are donated to Q10
4. Electrons are donated to complex III
5. Electrons are donated to cytochrome C
6. Electrons are donated to complex IV
7. Complex IV converts O2
8. Complex V produces ATP
2. Complex II takes electrons form succinate
3. Electrons are donated to Q10
4. Electrons are donated to complex III
5. Electrons are donated to cytochrome C
6. Electrons are donated to complex IV
7. Complex IV converts O2
8. Complex V produces ATP
Why are the OXPHOS complexes in a supercomplex?
For stabilization of the structure and to prevent electrons from escaping
Are the complexes coded by nuclear or mitochondrial DNA?
Both, only complex II is fully coded by nuclear DNA
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