1. Daily Question 4/27/2015 Thinking back to Friday, what would you have done differently in order to build a taller structure? Please think more about group dynamic then the physical structure.

2. Parts of the Eukaryotic Cell  Structures are determined by function  3 main components  Cell membrane  Nucleus  Other organelles

3. Organelles  Tiny cell structures that carry out specific functions within the cell.  Produce energy, build and transport needed materials, and store and recycle wastes  Can you name any???

4. Cell Membrane  Controls which substances pass in and out of the cell (selectively permeable)  Made of lipids and proteins  “Doorman”

5. Cytoplasm  Area between cell membrane and nucleus  Contains organelles  “floor”

6. Nucleus SStores DNA ““Manager” NNuclear membrane – double membrane surrounding nucleus NNuclear pores – small holes in nuclear envelope NNucleolus – where ribosomes are synthesized

7. Chromatin  Are thin strands floating in the nucleus.  Contain the genetic material (DNA), or the instructions that direct the functions of the cell.

8. Mitochondria  Site of chemical reactions  2 membranes  Smooth outer  Inner membrane  Cristae – increase surface area  Has own DNA  “Generator/ Powerhouse”

9. Endoplasmic Reticulum  System of membranous tubules and sacs that help molecules move from one part to another  Amount depends on cell activity  “Conveyer belt”  Rough - Have ribosomes  Smooth – Don’t have ribosomes

10. Ribosomes  Not surrounded by membrane  Assembles protein  Free or Attached to ER  “Machines”

11. Daily Question 5/7/15  1. Draw an animal cell. Label the cell membrane, cytoplasm and nucleus.  2. What form is DNA found in the nucleus? Or what is long strands of genetic material?  3. What does the mitochondria do?

12. Golgi Body  Processing, packaging and secreting organelles  Works with ER; modifies proteins exported by the cell  “Packaging and Shipping Plant

13. Lysosomes  Enclose hydrolytic enzymes w/in a single membrane  Digests proteins, carbs, lipids, DNA, RNA, old organelles  “Security/Janitor”

14. Cytoskeleton  Network of long protein threads located in cytosol  Maintains shape and size  Participates in movement  “Dropped Ceiling”  2 types

15. Microfilaments  Thin threads of protein (actin)  Contribute to cell movement and contraction of muscles

16. Microtubules  Hollow tubes, largest strands of cytoskeleton  Make up spindle fibers in cell division  Example is a Centriole.

17. Cilia and Flagella  Hair like organelles that extend from surface of cell  Assist in movement  Composed of nine pairs of microtubules arranged around a central pair

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19. Daily Question 5/8/15  Get out your animal cell coloring. We will finish coloring in the next 5 – 7 minutes.

20. Cell Factory Inside a Cell - Video

21. Plant Cells  2 different structures  Cell wall  Chloroplast

22. Cell Wall  Lies outside the cell membrane  Rigid, helps support and protect plant  Contains cellulose

23. Chloroplasts  Chloroplasts  Convert sunlight into chemical energy in the thylakoid  Green!

24. Vacuoles  Fluid filled organelle  Stores enzymes and metabolic waste  Can be LARGE

25. Bacterial Cells  Has a cell wall and cell membrane but DOES NOT have a nucleus.  Bacterial Cells are much smaller  No nucleus = Prokaryotic  Nucleus = Eukaryotic  EUKS have NUCS, PROS DON’T

26. Specialized Cells  Are found in multi-cellular organisms  The structure of each kind of cell is suited to the unique function it carries out within the organism.  How is a blood cell suited for the job that it does? Nerve Cell?