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made from polysaccharides, these thin, pliable structures allow plant cells to respond to changing water pressure
formed of rigid cellulose, lignin, and additional deposits; reinforces plant cell shape
numerous tiny channels that cross the adjacent primary walls of living plant cells and connect their cytoplasm
link the cells of epithelial tissues linin the body's outer surface, inner cavaties, and organs
link the cytoplasm of neighboring animal cells and are open channels for the rapid flow of signals and substances
interact with hydrophobic parts of the bilayer's phospholipids and they are not easy to remove
help tissues of same type locate each other, stick together, and remain in the proper tissues
transmission electron microscope
magnetic field is the lens; accelerated electrons are directed through a specimen, focused into an image, and magnified.
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