Q. The main purpose of electron transport chain is to

A) Cycle NADH + $H^{+}$ back to $NAD^{+}$
B) Use the intermediate from TCA cycle
C) Breakdown pyruvic acid
D) All of the above
Explanation

In electron transport chain respiratory process are to release and utilise the energy stored in NADH + $H^{+}$ and $FADH_{2}$. This is accomplished when they are oxidised through the electron transport system and the electron are passed on to $O_{2}$ resulting in the formation of $H_{2}O$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.