Cell Structure & Function

1. Cell Structure & Function http://koning.ecsu.ctstateu.edu/cell/cell.html

2. Cell Theory • All ___________________________ are made up of cells. • Cells are the ____________________ working units of all living things. • All cells come from _______________________ cells through ______________________.

3. Definition of Cell A cell is the ____________________________ that is capable of performing ___________________________.

4. Examples of Cells Amoeba Proteus Plant Stem

5. Two Types of Cells ______________________________ ______________________________

6. Prokaryotic • Do not have structures surrounded by ______________ • ________internal structures • One-celled organisms, _____________ http://library.thinkquest.org/C004535/prokaryotic_cells.html

7. Eukaryotic • DNA is contained in a ___________________. • Contain _____________________ surrounded by membranes • ______________living organisms Animal Plant http://library.thinkquest.org/C004535/eukaryotic_cells.html

8. “Typical” ______________Cell http://web.jjay.cuny.edu/~acarpi/NSC/images/cell.gif

9. “Typical” _____________Cell http://waynesword.palomar.edu/images/plant3.gif

10. Cell Parts Organelles

11. SURROUNDING THE CELLCell__________________ • Outer membrane of cell that controls ____________ in and out of the cell • Double layer http://library.thinkquest.org/12413/structures.html

12. Cell ___________ • Most commonly found in _____________cells & bacteria • Supports & _____________cells http://library.thinkquest.org/12413/structures.html

13. INSIDE THE CELLNucleus • ___________________cell activities • Separated from cytoplasm by nuclear membrane • Contains genetic material - ____________

14. Nuclear ________________ • Surrounds ___________ • Made of two layers • Openings allow material to enter and leave nucleus http://library.thinkquest.org/12413/structures.html

15. Chromosomes • In _____________ • Made of __________ • Contain instructions for traits & characteristics http://library.thinkquest.org/12413/structures.html

16. ________________ • Inside nucleus • Contains ______to build _______ http://library.thinkquest.org/12413/structures.html

17. ________________ • ___________________ mixture • Surrounded by cell membrane • Contains hereditary material

18. Endoplasmic Reticulum • Moves materials around in cell • ______________type: lacks ribosomes • _____________type (pictured): ribosomes embedded in surface http://library.thinkquest.org/12413/structures.html

19. Ribosomes • Each cell contains thousands • Make ____________ • Found on ER & _______________ throughout the cell http://library.thinkquest.org/12413/structures.html

20. ____________________ • Produces ______________ through chemical reactions – breaking down fats & carbohydrates • Controls level of water and other materials in cell • Recycles and decomposes proteins, fats, and carbohydrates http://library.thinkquest.org/12413/structures.html

21. ___________Bodies • Protein ‘_____________ plant' • Move materials within the cell • Move materials out of the cell http://library.thinkquest.org/12413/structures.html

22. Lysosome • _________________ 'plant' for proteins, fats, and carbohydrates • Transports undigested material to cell membrane for removal • Cell breaks down if lysosome explodes http://library.thinkquest.org/12413/structures.html

23. Vacuoles • Membrane-bound sacs for __________, digestion, and waste removal • Contains _______________ solution • Help plants maintain shape http://library.thinkquest.org/12413/structures.html

24. _____________________ • Usually found in ___________ cells • Contains green ______________ • Where photosynthesis takes place http://library.thinkquest.org/12413/structures.html