The thicker walls seen in mature plants that no longer allow extensive growth of the cell wall are known as _______.
A)primary walls
B)secondary walls
C)nonexpandophiles
D)complete walls
E)incomplete walls

Question

Quizplus · Accepted Answer

Secondary walls are thicker and stronger than primary walls and are found in mature, specialized cells such as xylem and sclerenchyma. They are formed after the cell has completed its growth and no longer needs to expand, therefore they do not allow for growth.

The Thicker Walls Seen in Mature Plants That No Longer