What Do the Cell Walls of Plants and the Extracellular

Multiple Choice

What do the cell walls of plants and the extracellular matrix of animal cells have in common?

A) They are largely composed of phospholipids and glycoproteins.
B) They limit the passage of small molecules.
C) Their proteins are made by free cytoplasmic ribosomes.
D) They form rigid structures that provide structural support for cells but limit their expansion.
E) They have functional connections with the cytoskeleton inside the cell.