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Cell Definitions

Cell Definitions. Cell Membrane. Found in all cells Controls or regulates what goes in and out of the cell. Outermost living layer of the cell. The “Gate Keeper”. Cell Membrane Picture. Cell Wall. Found in plants and some bacteria. Outermost non-living layer of the cell. Rigid layer.

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Cell Definitions

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  1. Cell Definitions

  2. Cell Membrane • Found in all cells • Controls or regulates what goes in and out of the cell. Outermost living layer of the cell. • The “Gate Keeper”

  3. Cell Membrane Picture

  4. Cell Wall • Found in plants and some bacteria. • Outermost non-living layer of the cell. • Rigid layer.

  5. Cell Wall Picture

  6. Nucleus • Found in eukaryotes • Control & information center of the cell. • “The Brain”

  7. Nucleus Picture

  8. Cytoplasm • Found in all cells • Jelly-like substance found inside the cell membrane. • Allows cell parts to move more freely.

  9. Ribosome • Found in all cells • Makes all the proteins produced by the cell.

  10. Ribosome Picture

  11. Endoplasmic Reticulum • Found in eukaryotes. • Transports materials throughout the cell. • “Highway”

  12. Endoplasmic Reticulum Picture

  13. 2 kinds of E.R. • Smooth E.R.- Does not have ribosomes. • Rough E.R.-Has ribosomes studded on it and produces proteins.

  14. Mitochondria • Converts glucose (sugar) into usable energy. The site of cellular respiration. • “Power House”

  15. Mitochondria

  16. Chloroplast • Found in plant cells & some bacteria. • Puts CO2 and H2O together (uses energy from the sun) to make glucose. *Photosynthesis*

  17. Chloroplast Picture

  18. Chromosomes (DNA) • DNA is found in all cells • Blueprint or master plan of the cell. Structures in the nucleus that contain the genetic information (DNA).

  19. Chromosome picture

  20. Golgi Complex • Produce and release products and are especially common in tissues which secrete products. ( Glands ) • “Post Office”

  21. Golgi Complex picture

  22. Lysosome • Digestive sac. Like the stomach of the cell. • “Little Stomach”

  23. Lysosome Picture

  24. Vacuole • Storage sacs ( help in digestion, waste and food storage ). Help to transport materials throughout the cell. • “the closet”

  25. Vacuoles Picture

  26. Vacuole Note: • Plant cells have an extra large water vacuole.

  27. If you need more space, continue your notes onto the bottom of p. 17 and 18.

  28. Nucleolus • Small body within the nucleus that makes ribosomal rna.

  29. Nucleolus picture

  30. Centrioles • Cylinder shaped structures which help separate chromosomes during cell division.

  31. Centriole Picture

  32. Microtubules • Hollow tube-like proteins • Used to build structure(s) inside the cell.

  33. Nucleoplasm • Jelly-like substance found inside the Nucleus.

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