![]() ![]() ![]() To accommodate subsequent cell growth, their walls, called primary cell walls, are thin and extensible, although tough. The new cells are usually produced in special regions called meristems (discussed in Chapter 21), and they are generally small in comparison with their final size. The Composition of the Cell Wall Depends on the Cell TypeĪll cell walls in plants have their origin in dividing cells, as the cell plate forms during cytokinesis to create a new partition wall between the daughter cells (discussed in Chapter 18). ![]()
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