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Animal Cells

Animal Cells. By: Brianna Shields October 5, 2004. DO NOW- Current Event out on desk!. 1. What is the smallest living unit that makes up an entire living organism? 2. What gas is necessary for animals to carry out respiration?

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Animal Cells

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  1. Animal Cells By: Brianna Shields October 5, 2004

  2. DO NOW- Current Event out on desk! • 1. What is the smallest living unit that makes up an entire living organism? • 2. What gas is necessary for animals to carry out respiration? • 3. What gas is necessary for plants to carry out photosynthesis?

  3. GOAL • To determine the characteristics of life • To figure out what living things need to survive

  4. ALL LIVING THINGS……. • 1. Are made from same basic chemical ingredients • 2. Are composed of cells (uni- 1, multi- 2) • 3. Require water & source of energy (carry out metabolism- breaking down & building up processes) • 4. Have the ability to reproduce & grow (sexual & asexual) • 5. Have limited lifespans

  5. ALL LIVING THINGS……. • 6. Can respond to their surroundings (stimulus, response) • 7. Have the ability to move • 8. Are able to repair injuries • 9. Can change over time (evolution)

  6. 1. Energy Sun --> plants --> animals What do Living Things Need?

  7. 2. Food and water Energy and materials for growth and repair Living Things

  8. 3. Gases: oxygen, carbon dioxide Oxygen-animals Carbon dioxide-plants Living Things

  9. 4. Living Space Limited Both animals & plants compete Living Things

  10. 5. Maintain homeostasis Ability of an organism to keep conditions inside body in balance Ex: sweating Living Things

  11. Pyramid Assessment • 1. One word to describe how the body maintains balance • 2. Two types of reproduction • 3. Three things (substances) all living organisms need • 4. Four things all living organisms have in common • 5. Five things that are considered living

  12. GOAL • To understand the cell theory • To learn the structure of cells and the functions of the organelles within an animal cell

  13. Cell Size

  14. Cell Theory 1. All living things are made of cells 2. Cells are the basic units of structure and function in living things 3. Living cells come only from other living cells

  15. Cell Membrane Outer covering of cell Acts as a doorway- lets food in, waste out Protects and supports Cell Organelles

  16. Nucleus Control center/brain Contains chromosomes (DNA- code for life- inherited genes) Cell Organelles

  17. Cytoplasm Clear, thick, jelly fluid Organelles float in it Cell Organelles

  18. Endoplasmic Reticulum Clear tubular pathways Transportation system Cell Organelles

  19. Ribosomes Made of RNA Protein factories Attached to ER wall Cell Organelles

  20. Golgi Apparatus Finishes up the protein making by packaging them Cell Organelles

  21. Mitochondria Powerhouse of the cell Makes energy Has its own DNA Cell Organelles

  22. Vacuoles Storage tanks for food, water, waste Several small ones Cell Organelles

  23. Lysosomes Cleanup crew for cells Breaks down food and old cell parts Cell Organelles

  24. Cell Diagram

  25. Cell Diagram

  26. Organelle Function

  27. Cells

  28. Assessment • Without using your notes, try to label each part of the cell • Next to each cell part name, jot down 2 or 3 words to describe the job of that organelle

  29. Cell Websites • The Virtual Cell • Cell Structure and Functions • Animal Cell Model • Biology I Interactive Animations • More on the Cell

  30. GOAL • To learn the structure of cells and functions of organelles within a plant cell • To distinguish between plant and animal cells

  31. Cell Wall 1. Stiff for protection and support 2. Acts as a doorway Plant Cell Parts

  32. Cell Membrane Plant Cell Parts

  33. Nucleus Plant Cell Parts

  34. Cytoplasm Plant Cell Parts

  35. Mitochondria Plant Cell Parts

  36. Vacuole Plant Cell Parts

  37. Chloroplasts 1. Green colored 2. Captures sunlight for photosynthesis (makes glucose) Plant Cell Parts

  38. Endoplasmic Reticulum Plant Cell Parts

  39. Ribosomes Plant Cell Parts

  40. What are 3 differences between plant and animal cells?

  41. Animal vs. Plant Cells • Use your notes and textbook p. 47-48 to fill in the cell venn diagram. You may work with your seat partner.

  42. Animal vs. Plant Cells

  43. PLANT CELLS 1. Cell wall 2. One large vacuole 3. Chloroplasts 4. No lysosomes 5. Rectangular 6. Photosynthesis ANIMAL CELLS 1. No cell wall 2. A few small vacuoles 3. No chloroplasts 4. Lysosomes 5. Roundish 6. Respiration Plant vs. Animal Cells

  44. Cell Homework • Finish the cell worksheet for homework • It is due next class

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