1. 2.5 Cytoplasm & Cytoskeleton

2. Cytoplasm (Cytosol)
Insides (- nucleus) Watery gel

3. So what?
Support & Shape Enzyme location

4. Cytoskeleton
Protein “Skeleton” Shape / Move / Divide

5. Cytoskeletal Parts
Protein tubes and filaments Microtubules & Microfilaments

6. 2.6 The Nucleus

8. Chromatin vs Chromosome
Nucleolus Nuclear pores

9. Microscopes Light: Life! Color! Horrible resolution!
SEM: Magnification! Resolution! 3D surface! Dead and Greyscale!
TEM: Best Magnification! Resolution! 2D slice! Dead and Greyscale!

10. 2.7 Ribosomes and Mitochondria

11. Ribosomes
rRNA & Protein 2 subunits No Membrane

12. Translation
RNA makes proteins Free Ribosomes vs Bound Ribosomes (ER)

13. Mitochondria
Cellular Respiration ATP # varies

14. Endosymbiosis
DNA & Ribosomes Reproduce

16. 2.8 Endomembrame System

17. Transport Organelles
Rough ER - Proteins Smooth ER – Lipids/membrane Golgi Apparatus – Modify/Package

18. Send Proteins Out of the Cell
RER  SER  Vesicle Golgi Apparatus  Vesicle Cell Membrane

19. Vesicles Transport Lysosomes – digestive enzymes
Peroxisomes – detox (liver)

20. Vacuoles Centrosomes vs. Centrioles

21. 2.9 Plant Cell Structures

22. Plants Cells Only
Cell Walls
Rigid/Shape
Cellulose
Plasmodesmata

23. Central Vacuole
30-90% cell volume Tonoplast membrane Storage

24. Plastids
Endosymbiosis
Chloroplast and others

25. Chloroplast
Photosynthesis

26. 2.10 Organization of Cells

27. Cell Organization
Single cell’s organelles

28. Multicellularity Colonial Theory Biofilms Specialization +
Togetherness

29. True Multicellularity
Colonial organisms don’t need anyone Multicellular can’t be forever alone

30. Organization
No tissues Tissues Organs Organ systems