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Transcript
Name______________________________________ Period____________ Date______________ Chapter 7 Test Review 1. What are the organelles that make proteins? _Ribosomes_________________ 2. What kind of cells have plastids? Plant or animal? ____Plant____________ 3. What determines cell shape? ____function_____________________________ 4. What kind of transport needs energy? ____active________________________ 5. Who first used the term “cells?” ______Hooke____________________________ 6. What don’t prokaryotic cells have? _________Nucleus_____________________ 7. What is the diffusion of water called? _____osmosis_____________________ 8. What happens when a cell is placed into a hypertonic solution? ___water_______ ________leaves and shrinks___________________________________ 9. What are chloroplasts, leucoplasts and chromoplasts examples of ? _Plastid____ 10. The control center of the cell is the? _____Nucleus________________________ 11. Where do molecules move from during active transport? __Low High_____ 12. The cell membrane is semi-___permeable______________. 13. Plant cells have a larger _____vacuole_________________ than animal cells. 14. What is the phospholipid layer of a cell that controls what enters and leaves the cell? _____cell membrane_________________ 15. The condensed strands of chromatin that contain the genetic material of cells are called ___Chromosome________________________. 16. That organelle that releases energy is called the __Mitochondria____________. 17. What three things can pass through a cell membrane or cell wall easily? _H2O______________, __________O2_____________, _____________CO2_________________________ 18. Who was the first person to identify and see cells? ___Leeuwenhoek_____________________ 19. What three things does the cell theory state? _all organisms are made from 1 or more_cells__, _______cells are basic units of life__________, _all cells come from__cells_________ 20. Starting with a cell and ending with an organ system, what are the four levels of organization in multicellular organisms? ________cells_____________, __tissue___________________, ___________organ____________________, ___organ system__________________________ 21. Which cell structure contains the cell’s genetic material and controls the cell’s activities? __Nucleus____________________ 22. What is the main function of the cell wall? __provide structure and protection________ 23. What is the main function of a cytoskeleton? __keeps shape____________________________ 24. Which organelle converts food into compounds that the cell uses for energy? ____Mitochondria__________________________ 25. What are the channels made of that are embedded in the cell membrane? _protein___________ 26. During diffusion, which way do the molecules move? ___high to low____________________ ______________________________________________________________________________ 27. What happens when a cell is placed into an isotonic solution? __stays the same____________ ______________________________________________________________________________ 28. Give an example of cell specialization. ___Red Blood Cells___________________________ 29. What does active transport require? __energy_____________________________ 30. A group of tissues that perform similar functions is called an _organ____________________. 31. What does rough endoplasmic reticulum have on it that smooth ER doesn’t? __Ribosomes_______________________ 32. What part of the nucleus allows molecules and RNA to leave the nucleus? _Nuclear Pore___ _________________ 33. If a cell had a salt concentration of 10% inside it and it was placed in a salt solution that had a salt concentration of 5%, what would happen to the cell? __swell___________________ : What kind of solution is that: hypertonic, isotonic or hypotonic? __hypotonic_____________ 34. When cells perform one specific function, that is called cell _specialization_____________. 35. If an animal cell is surrounded by fresh water, what will happen to the cell? ____burst______________________ : What kind of solution is that: hypertonic, isotonic or 36. hypotonic? _hypotonic______________________ 37. Of the following which structure(s) are/is found in all living organisms? ____*____ DNA and/or RNA _________ Mitochondria _________ Nucleus _________ Cell wall 38. Compared to a skin cell, a muscle cell is likely to have more __Mitochondria__________ 39. A cell with lots of ribosomes is probably specialized for _protein_______ synthesis. 40. Which organelle is found in both prokaryotic and eukaryotic cells? _Ribosome______. 41. Which molecule us most abundant in human body cells? _H2O________ 42. Blood is considered a tissue because it is composed of different types of _Cells____ working together and having specific functions. 43. An important difference between viruses and living cells are that viruses cannot __reproduce_____ outside of cells. 44. A eukaryotic organism that has a nucleus, cell wall, chloroplasts and mitochondria would probably be classified as a _plant______________. 45. What would happen to the cell in each picture below? _____No change______________________ ____Shrink_________________________ 1% salt 1% salt cell cell 5% salt 1% salt 1% salt 10% salt cell cell 5% salt 0% salt ___________Swell_________________________ ______Swell_________________________ *Be able to label the cell parts. Go over your organelle chart (description & function). Be able to differentiate between Prokaryotes & Eukaryotes.