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Transcript
Name ________________________________ Date ___________________ Hour ______ Web Quest – Cells Type in www.biology4kids.com. Click on CELLS in the upper right hand corner of the screen. Click on NEXT STOP after each section. Cells are the Starting Point 1. What is a main purpose of a cell? ________________________________ 2. What is a cell wall? _____________________________________ What is it made of? ____________________ What types of cells have a cell wall? _____________ 3. What does a chloroplast do? ______________________________ 4. What does a vacuole contain? __________________ 5. What doesn’t a prokaryote have? ______________________ Cell Membranes 6. What is a cell membrane compared to? ______________________________ 7. What two substances make up the cell membrane? ____________________________ and _____________________________ 8. What is the function of proteins of the membrane? ____________________________ 9. What is the shape of phospholipids? _________________________________ 10. What is meant by “hydrophilic”? _____________________________ What part of phospholipids is hydrophilic? _____________________ 11. What is meant by “hydrophobic”? _____________________________ What part of phospholipids is hydrophobic? ____________________ 12. What are the two layers of cells of the membrane called? _______________________ Cell Nucleus – Commanding the Cell 13. Is the nucleus always in the center of a cell? ______ 14. What is another name for the cytoplasm? _______________ 15. What substance is in the nucleus? ______________________ What is this made of?_______ , ________ , __________________ 16. Where is the nucleolus? _____________________________ What is it made of? ______ , ________________ , but not much __________ 1 Mitochondria – Turning on the Powerhouse 17. What are the mitochondria known as? ______________________ 18. What do the mitochondria provide for the cell? _______________ 19. What is different about mitochondria, compared to other organelles? 20. What are the cristae? _____________________________________ 21. What is the matrix? _____________________________________ 22. The matrix is filled with _____________ and _________________. 23. What is another name for enzymes? _______________ 24. The mitochondria are the only place in the cell where __________ combines with _________________. 25. What is another function of the mitochondria? _______________________________ Chloroplasts – Show Me the Green 26. What do chloroplasts do? ________________________ 27. What two types of cells contain chloroplasts? _______________ and _____________ 28. What cell contains no chloroplasts? _______________ 29. What is created in the stroma? _________________ 30. What is a stack of thylakoids called? _______________ 31. What do thylakoids have on their surface? ______________ 32. The chlorophyll uses ___________________ to make ________________. 33. What happens during photosynthesis? ______________________________________ 34. What two substances are the reactants? ___________________ and _____________ 35. What two substances are created? __________________ and _________________ Cytoplasm – Filling Fluid 36. What is cytoplasm? __________________________________________________ 37. What is cytoplasm also called? ___________________ 38. What is neoplasm? ___________________________________________________ 39. What two things does the neoplasm hold? _________________ and ______________ 40. The cytosol also uses ______________ to break down _______________ molecules that can then be used by the ____________ in the __________. 41. The enzymes can break down ______________ into ______________. 2 Ribosomes – Protein Construction Teams 42. What do ribosomes make? _________________ 43. What are proteins used as? ____________________ or as ______________ 44. Ribosomes connect one ___________________ to another to make _____________. 45. What 2 places are ribosomes found in? _________________ and ________ Endoplasmic Reticulum – Wrapping It Up 46. The ER functions as a ________________________________. 47. The ER works closely with the _______________________, ___________________, ________ , __________, and ____________. 48. The two types of ER are ________________ and ________________. 49. Rough ER has ____________________ attached to it. 50. Smooth ER acts as a __________________________________. 51. Smooth ER creates and stores ___________________. 52. Smooth ER also stores ____________. Golgi Apparatus – Packaging Things Up 53. The Golgi complex _____________ simple molecules and _____________ them to make ________________ that are more complex. 54. It then ________________ them in ________________. 55. The Golgi either ____________ them for later use or ____________ them out of the cell. 56. The Golgi also builds _________________. 57. The Golgi works very close with the ______________. Cell Wall – What’s It For? 58. What are cell walls made of? ____________________ 59. What type of cell has a cell wall? __________________ 60. Name two other functions of the cell wall. a) __________________________ b) __________________________ 61. How are cell walls different in small plants? _________________________________ 3 Vacuoles – Storage Bins to the Cells 62. What is the purpose of vacuoles? _____________ 63. Are they found in both animal and plant cells? ________ 64. In which type of cell, are they larger? _____________ 65. Name three types of substances vacuoles store. a. __________________ b. ________________ c. ________________ 66. When a plant cell has stopped growing, how many vacuoles does it contain? _____ 67. What is happening to the vacuoles of a drooping plant? ________________________ 68. The size of a cell will ____________ or _______________ depending on how much _____________ is present. 69. The size of the cell depends on the material in _______________. 70. The vacuoles _______ and _________ water depending on how much __________ is available to the plant. 4