Final answer:
Prokaryotic and eukaryotic cells are similar in that they both have a plasma membrane, cytoplasm, a DNA genome, and ribosomes.
Step-by-step explanation:
Prokaryotic and eukaryotic cells share several fundamental similarities despite their distinct structural differences. Both cell types are bounded by a plasma membrane, contain cytoplasm, possess a double-stranded DNA genome as their genetic material, and have ribosomes that synthesize proteins. While eukaryotic cells have a defined nucleus and various membrane-bound organelles, prokaryotic cells, like those of bacteria and archaea, have their genetic material in a nucleoid region without a surrounding membrane and lack the complex organelles found in eukaryotes.