Question

The correct sequence of electron acceptor in ATP synthesis is

• A. $\text{Cyt}{a}_3,a,b,c$
• B. $\text{Cyt}b,c,a,a_3$
• C. $\text{Cyt}b,c,a_3,a$
• D. $\text{Cyt}c,b,a,a_3$

Answer 1

The correct option is B $\text{Cyt}b,c,a,a_3$

Cytochromes are the electron carriers in the different electron transport complexes in the membrane of the mitochondria which helps in the formation of ATP by the process of oxidative phosphorylation.The sequence of the movement of the electrons includes cytochromes b, cytochrome c, cytochrome a, and cytochrome a${}_3$. ​So, the correct option is 'Cyt b, c, a, a${}_3$​.'