Sulfide is toxic to respiring organisms, because it can combine with metals present in ________ that serve a critical function in respiration.
A) glycolysis enzymes
B) oxidases
C) NADH
D) cytochromes

Question

Quizplus · Accepted Answer

Sulfide can combine with cytochromes, which are metal-containing proteins involved in respiration, leading to inhibition of electron transport and ultimately, ATP production.

Sulfide Is Toxic to Respiring Organisms, Because It Can Combine