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What macromolecules make plant cell walls?

A) Proteins
B) Nucleic acids
C) Carbohydrates
D) Lipids

1 Answer

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Final answer:

Plant cell walls are made up of carbohydrates, specifically cellulose, which provides structural support to the cell wall.

Step-by-step explanation:

The macromolecules that make up plant cell walls are carbohydrates. The chief component of plant cell walls is cellulose, which is a polysaccharide made up of long chains of glucose units. Cellulose provides structural support to the plant cell wall.

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