L3cellsII_sp10

L3cellsII_sp10 - Portions of chapters 6, 9, & 10 Cells-II...

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Portions of chapters 6, 9, & 10 Lecture Guide 1 Cells-II Bulk Transport Exocytosis: Secretion of cellular contents to the outside of the cell by fusion of vesicles to the plasma membrane Endocytosis: Uptake of extracellular material into the cell Phagocytosis Pynocytosis Receptor-mediated endocytosis The Endomembrane System Cell Surfaces Cell wall Plants, prokaryotes, fungi, and some protists Has multiple functions Thickness and chemical composition differs from species to species and among cell types within a plant. In plants, it protects the cell, maintains its shape, prevents excessive uptake of water, and supports the plant against the force of gravity Although animal cells lack a cell wall, they have an elaborate extracellular matrix (ECM) Influence the behavior of the cell The Cell Wall Primary cell wall Middle lamella Glues adjacent cells together with sticky polysaccharides Secondary cell wall
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This note was uploaded on 02/22/2010 for the course BIO 183 taught by Professor Parks during the Spring '07 term at N.C. State.

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L3cellsII_sp10 - Portions of chapters 6, 9, & 10 Cells-II...

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