Classification. The following items are found in the extracellular matrix of plant cells. Respond to the statements below with reference to these structures.
-Makes older stems stronger and more waterproof
A)Basement membrane
B)Primary cell wall
C)Pectin
D)Lignin
E)Cuticle

Question

Quizplus · Accepted Answer

Lignin is a complex polymer found in the secondary cell wall of plant cells, especially in older stems, that provides strength and waterproofing properties. The other options listed do not provide these specific functions. The primary cell wall provides basic structural support, pectin is a component of the middle lamella in plant cells, the basement membrane is exclusive to animal cells, and the cuticle is a waxy layer on the surface of leaves and other aerial plant parts.