The answer is vesicles. :) :p :F
No
vesicle ^_~
The sac or the small cavity that contains materials in a eukaryotic cell is called vesicle. The vesicle is covered by a membrane called lipid bilayer.
eukaryotic cell
A eukaryotic plant cell.
Eukaryotic cells
Eukaryotic cells
The nucleus is what contains the DNA of a eukaryotic cell. It is usually in the center of the cell, but not always. It is below the large central vacuole in some plant cells.
nucleus
Eukaryotic cells
The Nucleolus of the Nucleus in any eukaryotic cell contains the hereditary material. While, prokaryotic cells hereditary material is located within the cell membrane floating freely in the cytoplasm.
I am, the answer is nucleus