Function of the Cell Wall plant cells, some bacterial cells, fungi Rigid, protective layer around...
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Function of the Cell Wall plant cells, some bacterial cells, fungi Rigid, protective layer around plasma membrane 10-100 x thicker than plasma membrane
Function of the Cell Wall plant cells, some bacterial cells,
fungi Rigid, protective layer around plasma membrane 10-100 x
thicker than plasma membrane
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Function of the Cell Wall Mechanical support for the cell
Maintains shape of plant cells Prevents excess water intake Holds
the plant up against the force of gravity
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Primary Cell Wall First formed cell wall Outermost layer
Comparatively thin and flexible.
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Secondary Cell Wall Lays between the plasma membrane and
primary wall Strong and durable Provides cell protection and
support Ex: Wood
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Middle Lamella Thin layer of sticky polysaccharides (pectins)
Lays between primary cell walls Glues adjacent walls together
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Plasmodesmata Intercellular cytoplasmic bridges Facilitates
communication Aids in the transport of materials b/w cells Water
Nutrients Signalling molecules Even viruses! (Shhh!!!)