In the mitochondrial import pathway for proteins, why are chaperone proteins required to begin the import process? a.) T

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In the mitochondrial import pathway for proteins, why arechaperone proteins required to begin the import process?
a.) To facilitate binding to Tom20.
b.) To prevent folding of the protein prior to import
c.) To facilitate Tom20 / Tom40 interactions.
d.) To release the protein from the ribosome.
e.) To bring the inner and outer membranes of themitochondrion together