1. WHY DO WE HAVE OVER 35 TRILLION CELLS?

2. What is a cell?  Cell: Smallest unit of living matter that can carry out all processes required for life

3. Cells have 2 main categories  Prokaryotic Cells  NO nucleus  NO membrane-bound organelles  LOOSE DNA in the cytoplasm  Prokaryotes are single-celled  Eukaryotic Cells  Nucleus  Membrane-bound organelles  DNA found in the nucleus  Eukaryotes can be single or multi-cellular

4. 2 Main types of Eukaryotic Cells  Animal Cells  Found in all animals  Plant Cells  Found in all plants

5. Organelles  Organelle = little organ  Structures specialized to perform distinct processes within a cell

6.  https://www.youtube.com/watch?v=-zafJKbMPA8

7. Cytoplasm

9. Cytoskeleton

11. Nucleus

13. Endoplasmic Reticulum

15. Ribosomes

17. Golgi Apparatus

19. Mitochondria

21. Vacuole

23. Lysosome

25. Cell Wall – Plants only!

27. Chloroplast – Plants only!

29. Cilia

30. Cell Membrane/Plasma Membrane