Cell wall - Wikipedia, the free encyclopedia
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A cell wall is a tough, flexible and sometimes fairly rigid layer that surrounds some types of cells. It is located outside the cell membrane and provides these cells with structural support and pro...
en.wikipedia.org/wiki/Cell_wall
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The plant cell wall is a remarkable structure. It provides the most significant difference between plant cells and other eukaryotic cells. The cell wall is rigid (up to many micrometers in thickness) and gives plant cells a very defined shape.
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library.thinkquest.org/C004535/cell_wall.html
library.thinkquest.org/C004535/cell_wall.html
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- a non-living secretion of the cell membrane, composed of - cellulose fibrils deposited in alternating layers for strength - contains pits (openings) that make it totally permeable ... - provides protection from physical injury - together with vacuole, provides skeletal suppor...
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www.tvdsb.on.ca/westmin/science/sbi3a1/Cells/cellwall.h...
www.tvdsb.on.ca/westmin/science/sbi3a1/Cells/cellwall.htm
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Plant cells are usually enclosed by a more or less rigid cell wall containing cellulose. Only a few algae as well as some protists and endosperm cells have no cell wall. Some algal groups contain other structural substances than cellulose.
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www.biologie.uni-hamburg.de/b-online/e26/26.htm
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a cell wall ... The Cell Wall ... The rigid cell wall of plants is made of fibrils of cellulose embedded in a matrix of several other kinds of polymers such as pectin and lignin.
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users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/Plant...
users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/PlantCell.html
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Description of the plant cell wall. ... Prokaryotic cells and plant cells both have a rigid cell wall made up of polysaccharides. The cell wall provides and maintains the shape of these cells and serves as a protective barrier.
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www.cellsalive.com/cells/cellwall.htm
www.cellsalive.com/cells/cellwall.htm
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The cell wall is found in plant cells, but not in animal cells. This is the outermost layer in the plant cell. It is stiff, rigid, nonliving, and made of cellulose. It provides support so that the plant can grow tall and protection.
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www.usoe.k12.ut.us/curr/science/sciber00/7th/cells/scib...
www.usoe.k12.ut.us/curr/science/sciber00/7th/cells/sciber/cellwall.htm
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The lipid bilayer cell membrane of most of the Gram-positive bacteria is covered by a porous peptidoglycan layer which does not exclude most antimicrobial agents. ... THE BACTERIAL CELL WALL ... [Electron Micrographs of Bacterial Cell Walls] [Mycobacterial Lecture] [Departmental Home Page]
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www.uct.ac.za/depts/mmi/lsteyn/cellwall.html
www.uct.ac.za/depts/mmi/lsteyn/cellwall.html
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