ribosome chloroplast membrane nucleus endoplasmic reticulum
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: All cells, prokaryotic and eukaryotic, have a few common features. Which cell feature is found in both prokaryotic and eukaryotic cells?
Possibilities:
- ribosome
- chloroplast membrane
- nucleus
- endoplasmic reticulum

ribosome