verb (used without object) 1. to differ in sentiment or opinion, especially from the majority; withhold assent; disagree (often followed by from): Two of the justices dissented from the majority decision. 2. to disagree with the methods, goals, etc., of a political party or government; take an opposing view.
This contrasts with the cell walls of fungi (which are made of chitin), and of bacteria, which are made of peptidoglycan. Cell walls perform many essential functions: they provide shape to form the tissue and organs of the plant, and play an important role in intercellular communication and plant-microbe interactions.
Summary. The plant body is composed of cells and their products. All plant cells are surrounded by a rigid cell wall that is produced by the cell. Inside the wall is the cell membrane, which selectively regulates the movement of materials into and out of the cells.Plant cells are compartmentalized into organelles that are structurally organized to support their function.The nucleus, chloroplast, ribosomes, and vacuole are examples of plant cell organelles.nside the wall is the cell membrane, which selectively regulates the movement of materials into and out of the cells. Plant cells are compartmentalized into organelles that are structurally organized to support their function. The nucleus, chloroplast, ribosomes, and vacuole are examples of plant cell organelles.