Where do each of these three major steps take place for eukaryotes?

Glycolysis-cytoplasm, Krebs Cycle or Critic - mitochondria, Electron Transport Chain - mitochondria

Because of their unique nature a which is eukaryote is any living being whose cells have a cell core and different organelles encased inside layers. Since they can be either multicellular or unicellular those major steps mentioned above are necessary for them