In addition to the nucleus, eukaryotic cells may contain several other types of organelles, which may include mitochondria, chloroplasts, the endoplasmic reticulum, the Golgi apparatus ...

It's just the way things are. The difference between eukaryotic and prokaryotic cells has to do with the little stuff-doing ...

The first high-resolution, three dimensional (3D) visualization of a complete eukaryotic cell has been revealed ... yet-unidentified composition). Other organelles, including vacuoles, vesicles ...

Outer layers of cell Cell membrane, surrounded by cell wall in plants and fungi. Cell membrane, surrounded by cell wall. Cell contents Cytoplasm, cell organelles include mitochondria, ribosomes ...