The thick secondary cell walls of sclerenchyma cells are chemically distinct from parenchyma and collenchyma cells. Sclerenchyma cells contain all of the following EXCEPT:
A) lignin.
B) cellulose.
C) hemicellulose.
D) pectin.
E) dextrin.

Question

Quizplus · Accepted Answer

Sclerenchyma cells have thick secondary walls rich in lignin, cellulose, and hemicellulose, but they do not contain dextrin, which is a polysaccharide not typically found in plant cell walls.

The Thick Secondary Cell Walls of Sclerenchyma Cells Are Chemically