Cellulose is a polysaccharide composed of glucose units linked together that provides structure to plant cell walls. It is found in plants, algae, bacteria, and the cell walls of plants where it helps them remain stiff and strong. While humans cannot digest cellulose, it serves as an important source of fiber. Certain animals like cows and sheep can digest cellulose thanks to cellulose-digesting bacteria in their digestive systems.

1. CELLULOSE
Thousands of glucose units linked
together
Provide structure to plant cell wall
Can be found in animals, algae
and bacteria

2. CELLULOSE
Found in plant cell wall and helps
the plant to remain stiff and strong
Human cannot digest cellulose,
but it is important in the diet as a
source of fiber

3. THE ROLE OF
CELLULOSE IN
PLANT

4. CELLULOSE
Connecting cells to form
tissues.
It signals the cells to grow and
divide
Controlling the shape of plant
cell

5. HOW IS CELLULOSE
USEFUL?

6. CELLULOSE
Animals such as cows, sheep and horses
digest cellulose
These animals can digest because they
have cellulose-digesting bacteria called
ruminococcus in the rumen. These
bactirea produce enzyme called cellulase.

7. CELLULOSE
Cellulose has many uses. In
cotton, to makes clothes
Paper-making needs huge
quantities of cellulose, obtain
mainly from wood.