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Organelle is a part of the cell with a specific function
3 parts of the cell theory!
Cells are the Basic unit of structure and function in a living organism
Living things are made of One or more cells
Cells are only made from Pre-existing cells
Nucleus holds our DNA (genetic material)
Cell Membrane maintains homeostasis

3. Video
Multiple Choice Questions

4. Basic Structure of a Cell

5. Two Main Types of Eukaryotic Cells
Animal Cell
Plant Cell

6. Organelles Very small size Can only be observed under a microscope
Have specific functions
Found throughout cytoplasm

7. Mitochondria Mitochondrion ( mitochondria ) Rod/Peanut shape
Cell Energy

8. Mitochondria Mitochondria
Active cells like muscles have more mitochondria
Burn sugars to produce energy ATP

10. Lysosome Contain digestive enzymes
Break down food and worn out cell parts for cells
Cleans up bacteria and waste
Cleaning Crew

12. Surrounding the Cell Cell membrane
Lies immediately against the cell wall in plant cells
Made of protein and phospholipids
Selectively permeable

13. Cell or Plasma Membrane
Cell membrane
Living layer
Controls the movement of materials into and out of the cell
Maintains Homeostasis

14. Cytoplasm of a Cell Cytoplasm
Jelly-like substance enclosed by cell membrane
Provides a medium for chemical reactions to take place

15. More on Cytoplasm Cytoplasm
Contains organelles to carry out specific jobs
Examples: chloroplast & mitochondrion

17. Nucleus Nucleus Controls the normal activities of the cell
Bounded by a nuclear membrane
Contains DNA and
genetic material

18. Chloroplast in Plant Cells
Contain the green pigment chlorophyll
Traps sunlight to make to make sugars (food)
Process called photosynthesis

19. Cell Wall in Plant Cell Cell wall Dead layer
Give shape and support to the cell
Same function as cell membrane

20. Vacuole Vacuole Plant cells have a large central vacuole
Contains cell sap
Sugars, proteins, minerals, wastes, & pigments
Stores water and waste

22. Independent Writing Time
Compare the function of a cell to the function of an organism.
For instance, the cell gets energy from mitochondria and that is compared to how a human gets energy from food!

23. Make your Facebook profiles for three organelles from today
Golgi Bodies
Vacuole
Lysosome
Mitochondria
Cytoplasm
Chloroplast

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