PENIS
every structure inside the cell has a job. There is no structure inside the cell that does not provide something. The vacuole is like a storage area in the cell. The nucleus is like the brain of the cell. It holds the DNA.
nucleolus
Nucleolus
The nucleolus.
the nucleus
nucleus
Inside the nucleus is DNA which takes the form of a double helix. There is also a region of the nucleus called the nucleolus where ribosomes are made.
In Biology the nucleus of a cell is the control centre, inside the nucleus is DNA which gives it the structure and knowledge to be what it is.
the nucleus is surrounded by electrons, protons and neutrons. Inside the nucleus are quarks. (for the nucleus in an atom only)
nuclear membrane
Nucleolus.
nucleolus