Multiple choice

After a blast in the mine, a mine worker was brought in an unconscious state to the emergency room. His blood carboxyhemoglobin level was high and the doctors diagnosed him with CO poisoning. CO is a known inhibitor of electron transport chain. Which complex of electron transport chain is inhibited by CO?

  1. Complex I

  2. Complex II

  3. Complex III

  4. Complex IV

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Complex I is the first enzyme of the respiratory chain with a significant role in cellular energy production, coupling electron transfer between NADH and quinone to proton translocation. Mal function of it can cause human neurodegenerative diseases.