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The Cell

The Cell. V205.01. Epithelial Cell. Animal Cell. Bodies of all organisms are made of cells. Without cells there is no life. Cell Membrane. Double layer of lipids with proteins for cell activity. The proteins are receptors, pores, and enzymes.

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The Cell

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  1. The Cell V205.01 Epithelial Cell

  2. Animal Cell • Bodies of all organisms are made of cells. • Without cells there is no life.

  3. Cell Membrane • Double layer of lipids with proteins for cell activity. • The proteins are receptors, pores, and enzymes. • Lipid layer (phospholipids) is a water-fearing molecule. • Responsible for controlled entry/exit of substances Drawing of a cell membrane

  4. Nucleus • Brain of the cell. • Controls all parts of the cell and its functions. • A membrane-bound organelle. (Dbl mbrn) • Communicates using nuclear pores. • DNA is found here. • Prominent structure is the nucleolus. • Nucleolus produces ribosomes & RNA The cell nucleus

  5. Mitochondria • Provide cell with energy through respiration. • Double membrane-bound organelles. • Outer mmbrn smooth • Inner mmbrn twisted with cristae (folds) • On the cristae, sugar combines with O2 to form ATP (energy source). Nuclear Power Plant

  6. Golgi bodies • Single membrane-bound structure. • Packaging and shipping of a cell. • Packages are fluid-filled & called vesicles. • Vesicles transport large molecules in cells. Golgi bodies

  7. Ribosome • Site of protein synthesis. • Read code found in RNA. • Assemble proteins cell’s need for growth and different functions. Ribosome pic

  8. Endoplasmic Reticulum • Connects outer nuclear membrane with the cell membrane. • Function as channels within the cell. • Two types: Smooth and Rough. • Smooth are for fat and membrane protein production. • Rough have ribosomes on its surface and synthesize other proteins Endoplasmic reticulum

  9. Vacuole • Membrane organelles that store substances. • Vacuoles move substances in and/or out of the cell. • Movement in or out of the cell is down by fusing with the cell membrane. Vacuole

  10. Plant Cells • Have 2 or more organelles than the animal cell: • Cell Wall • Chloroplast • The vacuole is larger in plant cells

  11. Cell Wall • Used to support the plant. • Made of fiber called cellulose. • Cellulose is not digested by living organisms (COLON CLEANSE!) • Connected to cell membrane Plant Cell Wall

  12. Chloroplast • Site for photosynthesis • Photosynthesis is when sunlight, H2O, and CO2 are use to make glucose and oxygen • Chlorophyll is a green pigment found here. • Chlorophyll collects the sun’s energy. Chloroplast

  13. References • Epithelial cells - http://upload.wikimedia.org/wikipedia/commons/7/7c/Epithelial-cells.jpg • Drawing of a cell membrane - http://en.wikipedia.org/wiki/Cell_membrane • The cell nucleus - http://cellbio.utmb.edu/cellbio/nucleus.htm • Nuclear Power Plant - http://en.wikipedia.org/wiki/Nuclear_power • Golgi bodies - http://vilenski.org/science/safari/cellstructure/golgi_pic.jpg • Ribosome pic - http://nobelprize.org/medicine/educational/dna/a/translation/pics/ribosome.gif • Endoplasmic reticulum - http://micro.magnet.fsu.edu/cells/endoplasmicreticulum/images/endoplasmicreticulumfigure1.jpg • Vacuole - http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/Plasmolysis.jpg • Plant Cell Wall - http://micro.magnet.fsu.edu/cells/plants/images/cellwallfigure1.jpg • Chloroplast -http://www.swbic.org/products/clipart/images/chloroplast.jpg

  14. Vocabulary Cell Membrane Nucleus Mitochondria Golgi bodies Ribosome Endoplasmic reticulum Vacuole Plant Cell Cell Wall Chloroplast

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