11 cyto_2011 - Cytoplasm Definitions of Cytoplasm Cell =...

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Cytoplasm Definitions of Cytoplasm Cell = Nucleus plus Cytoplasm Cytoplasm is enclosed only by the plasma membrane contains glycolytic enzymes contains protein synthetic machinery transmits information and material from or to the outside affects localization and movement of organelles; CELL MOTILITY Production of force for cell movement with utilization of metabolic energy CYTOSKELETON Machinery that controls cell shape and cell movement Cell shape
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Cell Shape and Organization nerve cell has long processes epithelial cell has apical and basolateral surfaces amoeba has pseudopod at front and uropod at rear muscle cell is extremely highly organized in sarcomeres How can organization and cell polarity be established and maintained? Polarity is differentiation of two ends of an axis such as top and bottom, front and back, or left and right. Cell Movements
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muscle cells cilia/flagellum: tail of sperm locomotion: crawling (lymphocyte) chemotaxis: directional crawling (PMN) organelle movements: endosome maturation; ER/golgi transport; secretion phagocytosis: macrophage eat bacteria cell division: mitosis and cytokinesis How is force for movement generated? How is force generation regulated both spatially and temporally?
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11 cyto_2011 - Cytoplasm Definitions of Cytoplasm Cell =...

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