Question

The figure below shows the structure of a mitochondrion with its four parts labeled (A), (B), (C) and (D).

Select the part correctly matched with its function.

• A. Part (C) : Cristae - possess single circular DNA molecule and ribosomes
• B. Part (A) : Matrix - major site for respiratory chain enzymes
• C. Part (D) : Outer membrane - gives rise to inner membrane by splitting
• D. Part (B) : Inner membrane - forms infoldings called cristae

Answer 1

The correct option is D Part (B) : Inner membrane - forms infoldings called cristae

Mitochondria is surrounded by double membrane. The outer mitochondrial membrane is smooth whereas inner mitochondrial membrane is infolded into finger like projections called as cristae.