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Cells

Cells. Organism: An individual living thing. It can be made up of one cell (unicellular) or up to billions of cells (multicellular). Cell: “Little room” that run on energy from the sun (sugars), they are alive because they take in nutrients, water and get rid of waste. They reproduce too.

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Cells

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  1. Cells • Organism: An individual living thing. It can be made up of one cell (unicellular) or up to billions of cells (multicellular). • Cell: “Little room” that run on energy from the sun (sugars), they are alive because they take in nutrients, water and get rid of waste. They reproduce too.

  2. Cell • Cells have structures (organelles) inside that help them carry out the characteristics of life: • Nucleus: “Brain/Library of the cell”, it has all of the directions to control the activities of the cell and reproduces. • Mitochondria: “Powerhouse of the cell” it produces energy from sugars • Endoplasmic Reticulum: Passageways through the cytoplasm of the cell to carry nutrients and wastes through the cell.

  3. Cell • Ribosome: Protein factories of the cell (cell needs proteins to grow and repair cell parts) • Vacuoles: Storage tanks for the food, water or waste in the cell. Plant cell vacuoles are large, animal cells are small. • Lysosomes: “Clean up crew” for wastes in the cell. In animal cells. • Chloroplast: In plants only. It captures the sun’s energy and makes sugars through photosynthesis. • Cell wall: In plant cells only. It is the stiff outer layer that protects and supports the cell. • Cell Membrane: Outer covering of the cell that protects it and allows certain items to enter and exit.

  4. Cell Drawing • Split your paper into 2 sections, 1 will be an animal cell, the other will be a plant cell. • Draw and color each and include the following cell structures and a definition of what they do for the cell: • Nucleus Mitochondria • Endoplasmic reticulum Ribosome • Vacuole Lysosome • Cell membrane Cell wall • Chloroplast **Use your green panda book on p. 73/74 to help you!**

  5. Cell Poster Rubric • Draw and color a PLANT CELL and an ANIMAL CELL and include the following cell structures/organelles and a definition of what they do for the cell: • Nucleus Mitochondria • Endoplasmic reticulum Ribosome • Vacuole Lysosome • Cell membrane Cell wall • Chloroplast • 7 organelles labeled and with definitions 14 pts • Colored, neat with a title 6 pts

  6. Cells: Elodea and Cheek Cells • Today we are going to look at: • A plant cell: Elodea • An animal cell: Cheek cell For both cells you will be making a wet mount slide using a coverslip: http://www.biology.ualberta.ca/facilities/multimedia/uploads/procedures/slip.html

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