In which one the following, the proton motive force generated in mitochondrial electron transport is NOT used?
1
Transport of ATP into the cytosol from mitochondrial matrix.
2
Transport of ADP from the cytosol into the mitochondrial matrix.
3
Transport of phosphate ions from the cytosol into the mitochondrial matrix.
4
Transport of NADH from the cytosol into the mitochondrial matrix.