Question

outer and inner membranes of mitochondria are

Answer 1

The outer membrane is the gateway to the mitochondrion, just like the cellmembrane is for the cell. It has porins to allow smaller proteins in and protein complexes to allow bigger proteins in. It works in concert with the inner membraneto allow these proteins into the matrix.

Answer 2

outer membrane is smooth and inner membrane is folded like structure called cristae and fluid like structure called matrix