Complex I contains a porin protein subunit that transports H+ across the inner mitochondrial membrane.

Question

Quizplus · Accepted Answer

Complex I, also known as NADH dehydrogenase, does not contain a porin protein subunit. Instead, it uses internal proton channels to transport H+ across the inner mitochondrial membrane. Porin proteins are found in the outer mitochondrial membrane and are responsible for transporting small molecules like ATP and ADP.

Complex I Contains a Porin Protein Subunit That Transports H