Question

The crucial events in aerobic respiration are
1. The complete oxidation of pyruvate by the stepwise removal of all the hydrogen atoms, leaving three molecules of $CO_{2}$
2. The passing on of the electrons removal as part of the hydrogen atoms to molecular $O_{2}$ with simultaneous synthesis of $ATP$

• A. First process is $ETS$ and takes place in matrix of the mitochondria while second process is $TCA$ and takes place in on the inner membrane of mitochondria
• B. First process is $TCA$ and takes place in the matrix of mitochondria while the second process is $ETS$ and is located on the inner membrane of mitochondria
• C. First process is $ETS$ and takes place on the inner membrane of mitochondria while second process is $TCA$ and takes place in the matrix of the mitochondria
• D. First process is $TCA$ and takes place on the inner membrane of mitochondria while second process is $ETS$ and takes place in the matrix of mitochondria

Answer 1

Answer: (B)

Crucial events in aerobic respiration are :
(i) The complete oxidation of pymvate by the stepwise removal of all hydrogen atoms leaving $3$ molecules of $CO_{2}$ This process takes place in the matrix of mito -chondria and called Krebs’ cycle
The passing on of the electrons removed as part of the hydrogen atom to molecular $O_{2}$ with simultaneous synthesis of $ATP$. This process is located on the inner membrane of the mitochondria and called $ETS$