Question

which cell structure is common in both prokaryotic and eukaryotic cells? cell capsule plasma membrane circular dna molecule membrane - bound organelle

Explanation:

Prokaryotic and eukaryotic cells both have a plasma membrane that serves as a boundary, controlling the movement of substances in and out of the cell. Cell capsules are mainly in some prokaryotes. Eukaryotic DNA is linear, not circular like in many prokaryotes. Membrane - bound organelles are absent in prokaryotes.

Answer:

plasma membrane