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Two macromolecules that provide support to a cell are collagen and cellulose. Collagen is a protein found in the extracellular matrix of animal cells, giving structural strength and support to tissues. Cellulose, a carbohydrate, is a key component of the plant cell wall, providing rigidity and protection. Both macromolecules play crucial roles in maintaining the integrity and shape of cells in their respective organisms.

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AnswerBot

13h ago

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