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Transcript
“Summative End of Unit Assessment” TLT 409: Development, Classroom Management, and Assessment Dr. Goldberg By: Alexandra Viscosi November 30, 2009 This examination will cover Chapter 6 of the textbook Biology: Exploring Life by Campbell, Williamson, & Heyden. The textbook is typical of a 9th grade academic biology class. Chapter six is entitled “A Tour of the Cell”, which covers the general description of plant and animal cells as well as how things transport inside and outside of the cell. The chapter goes into detail covering what each organelle inside the cells does and the pathways that the molecules follow in and out of the cell. Instructional Objectives Ensure general understanding of chapter six Be able to recognize basic cell vocabulary Demonstrate an understating of the organelles of a cell Describe cell transport Be able to differentiate true and false facts Answer short answer questions with both words and pictures For students with disabilities The general idea of the exam will be the same. They will be tested a variety of ways, however, certain questions will be modified and there will be less open ended questions for them to answer. Those that are marked with an asterisk will be replaced with the matching question (such as 2b). The opened ended questions that are marked with an asterisk will simply be omitted, as in most cases it is not that students with learning disabilities are not intelligent, but simply need more time to process the questions. Ideally, this would make the two tests equally challenging for both sets of students. The questions with an asterisk should be supplemented with the questions located at the end of each section for students with disabilities. All other questions will remain. End of the Unit Test Chapter Six Part A Directions: For questions 1- 10 circle the appropriate letter. Wrong answers will not count against you. (2 points each) 1. What kind of microscopes are used in the classroom? A. Light microscope B. Electron microscope C. Transmission microscope D. Stethoscope *2. Which of the following cannot be seen using a light microscope? A. Bacteria B. Cheek Cells C. Mitochondrion D. Onion Cell 3. What do the organelles float around in, inside the cell? A. Cytoplasm B. Cell Wall C. Plasma Membrane D. Vesicles *4. Which best describes the structure of a cell’s plasma membrane? A. Proteins sandwiched between two layers of phospholipids B. Proteins embedded in two layers of phospholipids C. Phospholipids sandwiched between two layers of proteins D. A layer of protein coating two layers of phospholipids 5. A structure found in plant cells but not in animal cells is the A. Nucleus B. Plasma membrane C. Endoplasmic reticulum D. Cell wall *6. Which of the following is an incorrect match of organelle and function? A. B. C. D. Ribosome -> protein synthesis Golgi apparatus -> photosynthesis lysosome -> digestion Vesicle -> transportation 7. Which of the following is used in cell movement? A. Endoplasmic reticulum B. DNA C. Cilia D. Golgi Apparatus *8. The type of transport responsible for moving water in and out of the cell is A. Diffusion B. Passive transport C. Active Transport D. Osmosis *9. This type of transport does require energy to pass through the membrane A. Diffusion B. Passive transport C. Facilitated diffusion D. Active transport 10. Which definition best describes a selectively permeable membrane? A. Everything passes through the membrane B. Allows only some substances to cross the membrane C. Doesn’t allow anything to pass through the membrane D. Is only used on animal cells 2b. What does isotonic mean? A. Equal concentration inside and outside of the cell B. More concentration in the inside C. More concentration in the outside D. Has nothing to do with concentration 4b. Both diffusion and facilitated diffusion are forms of what type of transport? A. Active Transport B. Osmosis C. Passive transport D. Equilibrium 6b. A phospholipid molecule is considered to be what kind of molecule? A. Hydrophobic B. Amphipathic C. Hydrophilic D. Semi-permeable 8b. What does equilibrium mean? A. unequl B. favoring high concentration C. favoring low concentration D. Equal 9b. In what compartment do large molecules travel in to pass through the cell membrane? A. Vacuoles B. Proteins C. Vesicles D. Ribosomes Part B Directions: Circle True or False. (2 points each) 11. 12. 13. 14. 15. T/F T/F T/F T/F T/F 16b. 17b. 18b. 19b. 20b. T/F T/F T/F T/F T/F There are two types of endoplasmic reticulums. Proteins are constructed in a cell by the ribosomes. Golgi apparatus is an organelle that carries material in and out of the cell. Chloroplast is the only organelle that once existed outside of the cell. Cellular respiration occurs in the mitochondria inside a cell. There is no genetic material located in the nucleus of a cell. Lysosomes contain digestive enzymes that can break down other molecules. There are two major classes of cells: prokaryotic and eukaryotic. Chloroplast can be found in animal cells. The only function of the membrane proteins is cell to cell communication. Part C Directions: Fill in the blank (2 points each) *16. The cell uses a process called exocystosis to move contents outside of the cell. The reverse process is called __________________. *17./*18. In osmosis, the cell needs to balance the concentration of water inside and outside of the cell. When the concentration of the solute is greater it is called ______________. When the concentration of the solute is lower it is called _________________. *19. When a cell is undergoing active transport, it requires ______ to forced the pump to move the molecules from low to high concentrations. *20. _______________ is located inside the nucleus of a cell giving the cell its genetic information. * Questions from Part C will be replaced by additional questions from Part B for students with learning disabilities. Part D Directions: Briefly answer each question. (7 points each) 1. Draw out an animal cell drawing in all appropriate organs. Label each. 2. What is located in a plant cell that is not in an animal cell? Explain what these items do. *3. Draw a diagram of facilitated diffusion including an arrow directing where the solutes will travel. *4. Why is water balance important for cells? Part E Directions: Thoroughly answer each question. (16 points each) 1. Describe the five step pathway of the transportation of products made in the ER out of the cell. *2. Briefly explain why this statement is misleading. “Molecules of a solution stop moving when concentration equilibrium is reached.” Answer Key Part A 1. A 6. B 2b. A 2. C 7. C 4b. C 3. A 8. D 6b. B 4. A 9. D 8b. D 5. D 10. B 9b. C Part B 11. True 16b. False 12. True 17b. True 13. False 18b. True 14. False 19b. False 15. True 20b. False Part C 16. Endocytosis 17. Hypertonic 18. Hypotonic 19. ATP Part D 1. 2. Cell wall: gives the cell structure an animal cell does not have Chloroplast: Undergoes photosynthesis 3. 20. DNA 4. To make sure a cell does not shrivel up because of lack of water or explode because of too much water. Part E 1. a) Vesicle buds from the rough ER, containing the ribosomes b) Vesicle detaches from RER and moves to the Golgi Apparatus c) Contents of vesicle are modified by the Golgi Apparatus until the garbage is sent to the lysosome to be broken down. d) The useful contents then get placed in a vacuole for the cell. e) The final group of contents get placed in another vesicle and get transported out of the cell. (A diagram will also be accepted) 2. Molecules spend the majority of their time in either a hypertonic or hypotonic situation. This means they are constantly searching for equilibrium, so they are constantly moving. If a cell reaches equilibrium to the point of stopping the cell has reached apoptosis (programmed cell death). For part A, B, and C, the answer is either right or wrong. For part D Q1) ½ point will be awarded for every correct label of the organelles. Q2) 1 point for getting each additional organelle. 2.5 points for the description of each organelle. Q3) 1 point for drawing the membrane. 2 points for drawing the membrane proteins. 2 points for correctly labeling the direction of the solutes. 1 point for having an unequal amount of solute. 1 point for having more solute outside of the cell. Q4)3.5 points for correctly answering that the cell will explode with too much water and 3.5 points for correctly answering that the cell will shrivel up with too little water inside the cell. For part E Q1) 3 points for every step of the process. 1 point for additional drawings. (or words if the answer was done as a diagram) Q2) 4 points for any logical answer. 4 points for mentioning hypertonic/hypotonic. 4 points for mentioning the cell is constantly searching for equilibrium. 4 points for associating equilibrium with apoptosis.