The rigid outer covering a plant cell is known as the cell wall. The cell wall is composed mainly of cellulose.
Called the cell wall and made, basically, out of cellulose.
It is cell wall, made generally of cellulose, hemicellulose, suberin and pectic compounds.It is confined to plant cells and absent in animal cells.
The cell wall.
The cell wall.
cell wall
The tough outer covering of Euglena, and Paramecium is called the Pellicle
Protects the nucleus with a rigid layer of cellulose
The stratum corneum is the tough outer layer of the skin.
It is because your body doesn't digest the tough outer covering called the bran or the pericarp and it remains undigested in your stool or feces.
what tough barrier supports and protects plant cells
I think it is the cell wall or the cell membrane
The outer-most layer of a plant cell is the cell wall. This is mainly composed of cellulose, hemicellulose and pectin. The cell wall is a rigid structure that plays an important role in support, and is not found in animal cells.
The tough outer covering of Euglena, and Paramecium is called the Pellicle
Periosteum
Cell Wall
This is called bark.
Exoskeleton/ Chitin
A porpoise has tough leather like skin body covering, that protects them from some predators.
Schlera
capsid
It is a shell, as in a cockle shell or oyster shell.
Protects the nucleus with a rigid layer of cellulose