Which of the following statements about import of proteins into mitochondria are TRUE?
A. The first stage of import of a mitochondrial protein is across the outer membrane Into the intermembrane space.
B. Mitochondrial proteins are translocated across the Inner and outer membranes simultaneously.
C. Most mitochondrial proteins are not imported from the cytosol but are synthesized inside the mitochondria.
D. The signal sequences on mitochondrial proteins are usually carboxyl terminal.
E. Mitochondrial proteins cross the membrane in their native, folded state
