Plant cell wall research at the ccrc is carried out by six independently funded groups these groups study diverse topics that include the primary structure and three dimensional conformations of wall components the interactions of wall components and the biosynthesis of wall components. A cell wall is a rigid semi permeable protective layer in some cell types this outer covering is positioned next to the cell membrane plasma membrane in most plant cells fungi bacteria algae and some archaea animal cells however do not have a cell wall the cell wall has many important functions in a cell including protection structure and support. Plant cell wall one of the most important distinguishing features of plant cells is the presence of a cell wall the relative rigidity of the cell wall renders plants sedentary unlike animals whose lack of this type of structure allows their cells more flexibility which is necessary for locomotion. The plant cell wall is an elaborate extracellular matrix that encloses each cell in a plant it was the thick cell walls of cork visible in a primitive microscope that in 1663 enabled robert hooke to distinguish and name cells for the first time the walls of neighboring plant cells cemented together to form the intact plant figure 19 68 are generally thicker stronger and most
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