Question

Electron transport system occurs in

• A. Outer membrane of mitochondria.
• B. Cristae of mitochondria.
• C. Matrix of mitochondria.
• D. Oxysomes.

Answer 1

The correct option is B Cristae of mitochondria.

Electron transport chain is the process which produces ATP in the final steps of cellular respiration, occurs in the inner mitochondrial membrane. The mitochondrion has an outer membrane and an inner membrane with folds called as cristae. The electron transport chain is a series of transmembrane proteins found in the inner membrane.