During the operation of the malate-aspartate shuttle, what process does NOT occur?

A) net movement of reducing potential from the cytosol to the matrix
B) transfer of amino groups from glutamate to oxaloacetate in the cytosol
C) transport of two different amino acids through an antiport
D) simultaneous transport of malate and oxaloacetate through an antiport
E) reduction of oxaloacetate to malate in the cytosol