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Cellular and Molecular Biology

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Xylem Structural Compounds

CELLS-KWTIFF

Xylem is composed of dead cells interconnected to form a tube through which water and minerals can move. (A vessel element is one type of these dead cells in xylem.)

Which ONE of the following can form intratubular rigid spiral reinforcement to support the tubes?

A

Chitin

B

Lignin

C

Cellulose

D

Hydroxyapatite

E

Pectin