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Name_________________________________Period________Date__________ Biology – Antonell – LHWHS 2010-20 Unit 3 Review Pack Review Packet – Unit 3 – Chapters 3 & 4 Cells in General 1. What is the smallest unit of a living thing? 2. List the following in order from smallest to largest, and give an example of each: Organ, atom, cell, molecule, organism 3. The maximum size to which a cell can grow is limited mainly by the cell’s……..? 4. As a cell grows, which increases faster, the volume or the surface area? 5. What structure do substances have to pass through to get into or out of a cell? Which type of cells are more efficient at allowing materials to be exchanged with the outside – larger or smaller cells? Why? 6. What is the function of DNA? 7. Do all organisms have lots of cells? Explain. Prokaryotic and Eukaryotic Cells 8. Name 3 features that prokaryotic and eukaryotic cells have in common. 9. What features are found only in eukaryotic cells? 10. What do we call structures in cells that carry out specific tasks? Name_________________________________Period________Date__________ Biology – Antonell – LHWHS 2010-20 Unit 3 Review Pack 11. Draw a picture of a protein that is located all the way through a cell membrane and stretches both inside and outside the cell. Show the structure of the molecules of the cell membrane and discuss the polarity of the head and tails of these molecules. Think about where water is in relation to the cell. Use the following terms in your description: hydrophobic, hydrophilic, polar, non-polar. 12. What is a phospholipid?? What other types of molecules can be found in the cell membrane? 13. Name a type of prokaryotic cell? Plant and Animal Cells 14. Are plant cells prokaryotic or eukaryotic? animal cells prokaryotic or eukaryotic? Are 15. What organelles are found in plant cells but not in animal cells? 16. What organelles are found only in animal cells? 17. Do plant cells have a cell membrane? Cells and their organelles 18. Be able to recognize the functions of the following organelles and locate them on a cell diagram: Cell membrane Cell wall Cytoskeleton Ribosomes Endoplasmic Reticulum (rough) Endoplasmic Reticulum (smooth) Golgi Complex Nucleus Nucleolus Nuclear membrane Mitochondria Name_________________________________Period________Date__________ Biology – Antonell – LHWHS 2010-20 Unit 3 Review Pack Chloroplasts Central vacuole Transport of materials into and out of the cell 19. Define Passive Transport. Is energy from a cell used during passive transport? What is the direction of a substance’s movement, in terms of that substance’s concentration gradient? 20. Define Diffusion. Diffusion? How is Osmosis related to 21. What does semi-permeable mean? 22. Name 3 types of passive transport. 23. Define Active Transport. Is energy from a cell used during active transport? What is the direction of a substance’s movement, in terms of that substance’s concentration gradient? 24. What nucleotide-based molecule is involved in all forms of active transport across a cell membrane? 25. Can active transport take place in non-living cells? Why or why not? 26. Name 3 examples of active transport. 27. In the egg lab, what form of transport did we investigate? Was it active or passive? What was the substance that passed through the membrane? 28. What happened to the egg in a hypertonic solution? 29. What happened to the egg in a hypotonic solution? 30. If a solution, cell? If solution, blood cell were placed in a hypotonic what do you predict would happen to the a blood cell were placed in a hypertonic what would you predict? Name_________________________________Period________Date__________ Biology – Antonell – LHWHS 2010-20 Unit 3 Review Pack Notebook Test: Tell what happened in all conditions in the egg lab. Be able to calculate the surface area and volume of a cell with a different measurement than what we used in the lab. Also be able to calculate the surface area to volume ratio. Be able to answer questions about cells and their organelles. Documents that should be in your notebook: 1. Surface area to volume ratio lab - completed 2. Egg Lab - completed 3. Cells and Their Organelles – Completed. Pictures should be labeled and colored as indicated in the text (you can use different colors than those suggested). 4. Directed Reading Packet for chapters 3 and 4 (completed) You can have other materials in your notebook such as: 1. Animal and Plant Cell Comparison 2. Organelle Chart 3. Cell Membrane Picture 4. Comparison of Prokaryotic and Eukaryotic Cells 5. Print outs of powerpoint presentations given in class If you are missing any documents – please first check on my website http://teachersites.ladue.k12.mo.us/lhwhs/kantonelli/Mrs_An tonelli_Bio_Chem/Biology_Classes.html If you still cannot find what you are looking for, ask me for a copy