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.
An organelle is a specialized part of the cell that serves a specific purpose within the cell. There are many organelles present within a cell and they also vary depending on what kind of cell we are talking about, whether it be a plant or animal cell. Here are a few of the organelles and their functions: 1  nucleus-this would be like the brain of the cell and gives direction to the rest of the cell. 2  cell membrane-this provides protection for the cell and allows material to enter and leave the cell. 3  vacuoles-these are used for storage of materials such as water.