Celulosa

Cellulose is a natural polymer of glucose that forms the cell walls of plants, providing them with firmness and rigidity. It is a major component of materials like wood, paper, and cotton. As the most abundant organic compound on Earth, cellulose makes up about one-third of plant matter, highlighting its significance in the natural world.

What is the primary role of cellulose in plants?

• To store energy

• To absorb sunlight

• To transport nutrients

• To provide structural support

Which of the following materials is NOT primarily composed of cellulose?

• Wood

• Plastic

• Paper

• Cotton

What is the main component of paper?

• Starch

• Cellulose

• Protein

• Lignin

Approximately what fraction of plant matter is made up of cellulose?

• 3/4

• 1/2

• 1/3

• 1/4

Which statement best describes the abundance of cellulose?

• It is rare and found only in specific plants.

• It is the most abundant organic compound on Earth.

• It is only found in synthetic materials.

• It is primarily found in animal tissues.