Question

How would anaerobic conditions (when no O2 is present) affect the rate of electron transport and ATP production during oxidative phosphorylation?

A) Electron transport would be unaffected but ATP synthesis would stop.
B) Electron transport would stop but ATP synthesis would be unaffected.
C) Both electron transport and ATP synthesis would stop.
D) Neither electron transport nor ATP synthesis would be affected.

Answer 1

C

Step-by-step explanation:

Oxidative phosphorylation is the process through which ATP is produced by the transfer of electrons from NADH or FADH 2 to O₂ by a series of electron carriers. This process, occurs in mitochondria, in aerobic organisms.

In the absence of O₂ (anaerobic condition), both electron transport and ATP synthesis would stop because the O₂ is the final electron acceptor in oxidative phosphorylation, if O₂ is not present then the electron acceptor is changed.