The cell that does not have a perforated cell wall is a. tracheids.
Explanation:
Tracheids:
These are long, thin cells in the xylem that do not have perforations in their cell walls. They rely on pits for water transport.
Companion cells:
These cells are associated with sieve tubes in the phloem and do have perforated cell walls to facilitate the flow of nutrients.
Sieve tubes:
These cells also have perforated cell walls, forming a continuous pathway for phloem transport.
Vessels:
Like sieve tubes, vessels also have perforated cell walls, allowing for efficient water transport.
Key point: Perforated cell walls are holes in the cell walls that allow for the free passage of substances between adjacent cells.