In the mitochondrial respiratory chain, which cytochrome complex has the highest redox potential and transfers electrons directly to oxygen?
Q1. In the mitochondrial respiratory chain, which cytochrome complex has the highest redox potential and transfers electrons directly to oxygen?
Answer: Cytochrome a3
Explanation: Cytochrome a3 is the last complex before oxygen. Cytochrome b and c occur earlier in the sequence of the respiratory chain.