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Cell Anatomy

Cell Anatomy. Cell Parts & their Function. What is a Cell?. A cell is the smallest unit that is capable of performing life functions. It is the basic unit of living things. Cell Theory. All living things are made up of cells. Cells are the smallest working units of all living things.

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Cell Anatomy

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  1. Cell Anatomy Cell Parts & their Function

  2. What is a Cell? A cell is the smallest unit that is capable of performing life functions. It is the basic unit of living things.

  3. Cell Theory • All living things are made up of cells. • Cells are the smallest working units of all living things. • All cells come from preexisting cells through cell division.

  4. Examples of Cells Amoeba Proteus Plant Stem Bacteria Red Blood Cell Nerve Cell

  5. Cell Organelles • Cell Parts are referred to as organelles.

  6. Cell Wall Most commonly found in plant cells & bacteria Supports & protects cells Cell Wall

  7. Cell Membrane • protective layer around all cells • allows food and oxygen into the cell and waste products out of the cell. Cell Wall Cell Membrane

  8. Cytoplasm • Gel-like material • Surrounded by cell membrane Cell Wall Cell Membrane Cytoplasm

  9. Nucleus • contains instructions for everything cell does; includes DNA Cell Wall Cell Membrane Cytoplasm Nucleus

  10. Ribosome • Each cell contains thousands • Make proteins • (Think of it like a battery plant!) • Found on ER & floating throughout the cell Cell Wall Cell Membrane Cytoplasm Nucleus Ribosome

  11. Endoplasmic Reticulum (ER for Short) • Moves materials around in cell • (Like a highway) • Smooth type: lacks ribosomes • Rough type : ribosomes embedded in surface Cell Wall Cell Membrane Cytoplasm Nucleus Ribosome ER

  12. Mitochondrion • releases energy from food • (Energy Plant) • Controls level of water and other materials in cell Cell Wall Cell Membrane Cytoplasm Nucleus Ribosome ER Mitochondrion

  13. Chloroplasts • Found only in plant cells. • Contains green chlorophyll • Where photosynthesis takes place • Helps plant cells make food. Cell Wall Cell Membrane Cytoplasm Nucleus Ribosome ER Mitochondrion Chloroplasts

  14. Vacuole • membrane-bound temporary storage spaces • Contains water solution • Help plants maintain shape Cell Wall Cell Membrane Cytoplasm Nucleus Ribosome ER Mitochondrion Chloroplasts Vacuoles

  15. Golgi Body • Protein 'packaging plant' • Move materials within the cell • Move materials out of the cell Cell Wall Cell Membrane Cytoplasm Nucleus Ribosome ER Mitochondrion Chloroplasts Vacuoles Golgi Body

  16. Make a Cell • Your assignment: • We will make a model of the cell using the materials on the table. • You must use the paper plate as the basis of your cell.

  17. Bibliography • http://www.science-class.net/PowerPoints/Cell_structure_function.htm • Glencoe Life Structure Book A

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