what are living cells
The cell membrane
Dialysis tubing is often used to emulate the selective permeability of the cell membrane.
A vesicle forms as a small sac from the cell's membrane.
Lysosomes.
The dialysis tubing is meant to represent the semi permeable membrane of a cell. Like the cell membrane, dialysis tubing has holes or pores that only allow certain things to pass through. A cell membrane similarly will only allow certain things to pass in and out.
nucleus
cell membrane
The cell membrane :]
Vesicles
No
a vacuole
It is a central vacuole.