Compare to the width of an atom, yes
Yes, an onion is a plant and plants have cell membranes and cell walls
capillary walls are very thin, often a cell thick. artery walls have two thick layers.
Onion cells, like other plant cells, have cell walls to provide structural support and protection. The cell wall is made of cellulose fibers that help maintain the shape of the cell and protect it from damage. Without cell walls, onion cells would be more fragile and prone to bursting.
Yes, they do. All plant cells have cell walls.
Compare to the width of an atom, yes
It is one to two cell thick
Yes. They have a thick gelatinous(jellylike) cell wall.
Compare to the width of an atom, yes
They are both plant cells and have cell walls.
cell walls thats wath you men
the thick walls keep the cells organelles inside of the cell
Yes. If viewed under even a simple light microscope, the cell structure of a cheek cell and the cell walls of an onion cell can clearly be seen.