Eukaryotic cells containing mitochondria then engulfed photosynthetic prokaryotes, which developed to be specialized chloroplast organelles. may be the outer lining of the cell. It separates the cell from its setting and allows elements to enter and depart the cell. Finally, lipids or Unwanted fat molecules are factors of cell membranes https://richardl575lmm0.wikicorrespondent.com/user