Q. Which of the following statements regarding mitochondrial membrane is not correct ?
A) The outer membrane is permeable to all kinds of molecules
B) The enzymes of the electron transfer chain are embedded in the outer membrane
C) The inner membrane is highly convoluted forming a series of infoldings
D) The outer membrane resembles a sieve
Explanation
[Solution from source] The electron transport chain enzymes lie in the inner mitochondrial membrane, which is folded into cristae; so the statement putting them in the outer membrane is incorrect. The outer membrane is porous and sieve-like. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.