BW: Eukaryote vs Prokaryote

A lab technician needs to determine whether cells in a test tube are prokaryotic or eukaryotic. The technician has several dyes she could use to stain the cells. Four of the dyes are described in the table above. Which dye could the technician use to determine whether the cells are prokaryotic or eukaryotic?

Cells may have different shapes and different amounts of organelles, depending on their function. Which features do plant cells have that animal cells lack?