Name: Date: Plant and Animal Cells ______________________________1. The smallest unit that can carry out all the processes of life. ______________________________2. Name given to the small internal structures of a cell that perform a specific function for the cell. ______________________________3. Who first looked at cork cells under a microscope and called the little boxes that he observed “cells”? ______________________________4. Who was the first to observe microorganisms using his “simple” microscopes? ______________________________5. This German botanist concluded that all plant tissues were composed of cells. ______________________________6. This German zoologist concluded that all animal tissues were composed of cells. ______________________________7. This scientist noted that living cells can arise only from pre-existing living cells. Cells must be able to carry out a basic set of functions in order to survive. These processes are listed below. For questions 8 – 17, match each description to the correct cell process. A. Biosynthesis B. Cyclosis C. Digestion __________8. D. Egestion E. Excretion F. Ingestion G. Irritability H. Reproduction I. Respiration J. Secretion The breaking down of food into very small particles that can be used by cells. __________9. The process that releases energy by breaking down glucose and other food molecules into simpler substances. __________10. The removal of liquid cell waste. __________11. The taking in of food and water. __________12. The ability to respond to a stimulus and adapt to the environment. __________13. The removal of solid cell wastes. __________14. The movement of materials around the inside of a cell. __________15. The production of offspring. __________16. A substance that is produced in one cell but is used in another cell. __________17. Using the energy from foods to build new cell parts, as in growth and repair. Copyright © Amy Brown Science 1 LABEL THE STRUCTURES OF THE ANIMAL CELL: _________________________________18. Structure seen at A. _________________________________19. B _________________________________20. C _________________________________21. D _________________________________22. E _________________________________23. F _________________________________24. G _________________________________25. H _________________________________26. I _________________________________27. J _________________________________28. K _________________________________29. L _________________________________30. M _________________________________31. N _________________________________32. What term is used to describe cells that do not contain a true nucleus and have no membrane-bound organelles? _________________________________33. Which organisms have the cell type described in question #32. _________________________________34. What term is used to describe cells that contain a true nucleus and have membrane-bound organelles? _________________________________35. Which four groups of organisms have the cell type described in question #34? _________________________________ _________________________________ _________________________________ _________________________________36. The part of the cell that controls all of the cell's activities. _________________________________37. The portion of the cell within the cell membrane that includes the fluid and all the organelles except the nucleus. _________________________________38. The part of the cell that separates one cell from another cell and regulates the passage of materials into and out of the cell. _________________________________39. This double membrane contains many pores and surrounds the nucleus of the cell. _________________________________40. What name is given to the jellylike liquid found inside the nucleus? Copyright © Amy Brown Science 2 _________________________________41. These structures are composed of DNA and contain the “code” for all of the genetic information of the cell. _________________________________42. This structure manufactures the large and small subunits that compose a ribosome. _________________________________43. Small, spherical sacs that are classified according to their contents. _________________________________44. This cell structure breaks down alcohols, fatty acids, and kills bacteria. _________________________________45. The site of cellular respiration. _________________________________46. This network of protein tubes and fibers helps maintain the shape of a cell, provides structure and support to the cell, and is involved in cell movement. _________________________________47. These structures may be found floating freely in the cytoplasm or attached to the endoplasmic reticulum. _________________________________48. This cell structure makes the lipids that are used to build membranes. _________________________________49. This organelle contains strong digestive enzymes that are used to break down large molecules into simpler substances. _________________________________50. The site in a cell where the assembly of proteins begins. _________________________________51. This cell organelle modifies, sorts, and packages the proteins that are to be released from the cell. _________________________________52. A storage area for food and water. _________________________________53. This organelle breaks down glucose and other food molecules and stores the energy in a form the cell can use (ATP). _________________________________54. These two short cylinders found near the nucleus help to organize microtubules during cell division. _________________________________55. This part of the cell functions primarily as an “intracellular highway” along which molecules can move from one cell part to another. _________________________________56. If the cell part in question #55 had attached ribosomes, it would be known as? _________________________________57. If the cell part in question #55 had no attached ribosomes, it would be known as? _________________________________58. Newly assembled proteins leave the ribosome and are inserted into spaces in this organelle where they are modified and shaped into functioning proteins. _________________________________59. These folds of membrane found inside the mitochondria increase the surface area for cellular respiration. _________________________________60. List two types of fibers that compose the cytoskeleton. _________________________________ _________________________________61. Name two hair-like structures that might extend from the cell surface and assist in the movement of the cell. _________________________________ Copyright © Amy Brown Science 3 LABEL THE STRUCTURES OF THE PLANT CELL _________________________________62. Structure seen at A. _________________________________63. B _________________________________64. C _________________________________65. D _________________________________66. E _________________________________67. F _________________________________68. G _________________________________69. H _________________________________70. I _________________________________71. J _________________________________72. K _________________________________73. L _________________________________74. M _________________________________75. N _________________________________76. The site of photosynthesis in a plant cell. _________________________________77. The type of plastid that is colorless and is used for the storage of starch. _________________________________78. A very large, water-filled part of the plant cell. The function is to aid the cell wall in support. _________________________________79. Part of the cell that contains the blue, red and yellow pigments to give fruits and flowers their color. _________________________________80. Part of the cell that contains the green pigment chlorophyll. _________________________________81. Rigid structure that provides strength, support, and protection to a plant cell. _________________________________82. What is the name of the tough, stringy, carbohydrate fibers that give strength to the cell wall? _________________________________83. The pressure that water molecules exert against the cell wall; this allows the plant to support heavy structures such as leaves and flowers. _________________________________84. List the two cell organelles that are surrounded by double membranes and contain DNA that is separate from the DNA found in the nucleus. _________________________________ _________________________________85. Term that is used to describe organisms composed of only one cell. _________________________________86. A group of genetically identical cells that live together in a connected group but have little coordination or division of labor between the cells. Copyright © Amy Brown Science 4 SHORT ANSWER QUESTIONS 87. List the statements that compose the cell theory. What three scientists provided the evidence for the cell theory? ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ 88. What limits the size of a cell? Explain why cells cannot grow to unlimited sizes. ________________________ ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ 89. List the three basic characteristics that are common to all types of cells. _________________________________ ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ 90. List three structures found in plant cells that are not found in animal cells. ______________________________ ____________________________________________________________________________________________________________________ 91. List two structures found in animal cells that are not found in plant cells. ________________________________ ____________________________________________________________________________________________________________________ 92. What is the relationship between the following terms: cell, tissue, organ, organ system? ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ ____________________________________________________________________________________________________________________ Copyright © Amy Brown Science 5