Multiple Choice
The primary walls of collenchyma cells are thickened with
A) hemicellulose, cellulose, -glucan.
B) cellulose, protein, phospholipid.
C) pectins, cellulose, hemicellulose.
D) pectins, xylan, arabinose.
E) phospholipids, -glucan, galactose.
Correct Answer:

Verified
Correct Answer:
Verified
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