L3 cellsII

L3 cellsII - Portions of chapters 6, 9, & 10 Lecture...

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Lecture Guide 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 (“cell eating”) – type of white cell; mostly in fungi Pynocytosis (“cell drinking”) Receptor-mediated endocytosis – mostly in animal cells; The Endomembrane System -includes nuclear envelope, ER, Golgi, lysosomes, vacuoles, secretory vesicles, and plasma membrane 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
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L3 cellsII - Portions of chapters 6, 9, & 10 Lecture...

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