Multiple Choice
Secondary plant cell walls are strengthened by
A) the polyphenolic compound lignin.
B) the arrangement of cellulose microfibrils.
C) cement-like polysaccharides called pectins.
D) the arrangement of groups of rigid plasmodesmata.
E) the acetylglucosamine polymer chitin.
Correct Answer:
Verified
Correct Answer:
Verified
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