Which of these is a phospholipid bilayer of the mitochondrion? A. Inner membrane only B. outer membrane only C. Both inner and out membranes D. neither inner or outer membranes
The phospholipid bilayer of the mitochondrion is the outer membrane only. This layer is made up of proteins which is permeable to ions, ADP, ATP, etc. The inner layer on the other hand is permeable to gases through oxygen, carbon dioxide and water.