In the primary (growing) plant cell wall, the major carbohydrates are cellulose, hemicellulose and pectin. The cellulose microfibrils are linked via hemicellulosic tethers to form the cellulose-hemicellulose network, which is embedded in the pectin matrix.
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To determine or to compare normal breathing rates compare to how the patient is breathing rn that way theyll know exactly what to do
The lipid bilayer works as a barrier that protects the cell from outside dangers.
C. prevent the passage of certain molecules into the cell
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