214k views
2 votes
Where do ETC reactions take place

User Tconbeer
by
6.1k points

1 Answer

5 votes
The ETC reactions take place on and across the inner membrane of the mitochondria. Another cell respiration process, the citric acid cycle, takes place inside the mitochondria and delivers some of the chemicals needed by the ETC reactions.
User Michael Armbrust
by
5.9k points