Cellular Reproduction

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1 Chapter Test A CHAPTER 9 Cellular Reproduction Part A: Multiple Choice In the space at the left, write the letter of the term or phrase that best answers each question. Part B: Matching 1. What can limit the size of a cell? A. frequency of the cell cycle B. maximum rate of cell mitosis C. nutrient and energy levels D. ratio of surface to volume 2. Which occurs during cytokinesis? A. binary fission takes place B. cytoplasm divides C. DNA duplicates D. spindle apparatus forms 3. What type of concern is raised by embryonic stem cell research? A. ethical B. medical cost C. public health D. scientific Check the box to indicate whether the event described by each statement occurs during the normal cell cycle or abnormal cell cycle. Check one box for each statement. Statement Normal Cycle Abnormal Cycle 1. Results in a condition called cancer 2. Involves special proteins called cyclins 3. Can be caused by an overexposure to X rays 4. Has an environmental limit to prevent cells from dividing endlessly 136 Cellular Reproduction CHAPTER 9 Unit 2

2 Chapter Test A CONTINUED Part C: Interpreting Drawings and Graphs Use the illustration above to respond to the following statement. 1. Identify the anaphase, metaphase, prophase, and telophase stages of mitosis in the drawings labeled A, B, C, and D. A. C. B. D. Use the graph above to answer each question. 2. Interpret What is the rate of pancreatic cancer for 62-year-old males? 3. Interpret What gender and age experiences the highest rate of pancreatic cancer? Unit 2 CHAPTER 9 Cellular Reproduction 137

3 Chapter Test A CONTINUED Part D: Short Answer 1. List the three stages of the cell cycle. 2. Compare the medical benefits of adult stem cells and embryonic stem cells. Use the term specialized cells in your answer. Part E: Concept Application 1. Infer why a law was passed in some states and cities in the United States that prevents people from smoking inside public buildings and restaurants. Include the term carcinogen in your discussion. 2. Explain why the cancer rate of a group of elderly people living in a nursing home is higher than the cancer rate of a class of first-grade children. 138 Cellular Reproduction CHAPTER 9 Unit 2

4 Chapter Test B CHAPTER 9 Cellular Reproduction Part A: Multiple Choice In the space at the left, write the letter of the term or phrase that best completes each statement or answers each question. 1. During the cell cycle, a cell grows A. and dies. B. and divides. C. without completing cytokinesis. D. without completing mitosis. 2. What is the purpose of mitosis? A. create genetic diversity B. increase cell volume C. produce new offspring D. replace damaged cells 3. Which is the reproductive method of prokaryotes? A. binary fission B. cell apoptosis C. cytokinesis D. mitosis 4. How can cancer cells be described? A. completing abnormal mitosis B. dividing out of control C. lacking essential nutrients D. shrinking to a small size 5. The combination of mitotic cyclin with CDK signals the A. beginning of cell mitosis. B. completion of cytokinesis. C. growth of a cancer cell. D. start of the cell cycle. Part B: Matching and Completion Matching Write the letter of the correct stage of mitosis on the line next to its description. Answers may be used only once or not at all. 1. Chromatin condense into chromosomes. 2. The nucleolus reappears. A. anaphase B. interphase 3. This stage ensures that the new cells have accurate copies of the chromosomes. 4. The cell grows during this stage. C. metaphase D. prophase E. telophase Unit 2 CHAPTER 9 Cellular Reproduction 139

5 Chapter Test B CONTINUED Completion Write the correct term in the blank to complete each sentence below. 5. The stage during which the cell s cytoplasm divides is called. 6. The stage during which the cell carries out cell functions is called. 7. Tobacco smoke is an example of a(n). 8. Unspecialized human cells are called. Part C: Interpreting Drawings and Graphs Use the illustration above to respond to the following statement. 1. Identify the prophase, metaphase, anaphase, and telophase stages of mitosis in the drawings labeled A D in the order that they occur during mitosis. A. C. B. D. Use the graph on the right to respond to each question and statement. 2. Contrast the rate of pancreatic cancer for males and females at the age of Interpret What age group is not usually afflicted by pancreatic cancer? 140 Cellular Reproduction CHAPTER 9 Unit 2

6 Chapter Test B CONTINUED Part D: Short Answer 1. Identify two limiting factors that control eukaryotic cell division. Describe each limiting factor. 2. Infer why embryonic stem cell research raises ethical concerns in the United States. Part E: Concept Application Write your response to each question and statement in the space provided. 1. Evaluate Why is it impractical for human liver cells to triple their average size? 2. Formulate a strategy for a restaurant waiter who is searching for a job to minimize his risk of contracting cancer from work-related environmental conditions. Use the term carcinogen in your answer. Unit 2 CHAPTER 9 Cellular Reproduction 141

7 Chapter Test C CHAPTER 9 Cellular Reproduction Part A: Multiple Choice In the space at the left, write the letter of the term, phrase, or sentence that best completes each statement or answers each question. 1. Which distinguishes the process of cytokinesis in plant and animal cells? A. A cell plate forms in animal cells, while a furrow forms in plant cells. B. A cell plate forms in plant cells, while a furrow forms in animal cells. C. Cytokinesis results in genetic diversity in animal cells but not plant cells. D. Cytokinesis results in genetic diversity in plant cells but not animal cells. 2. Which is part of the spindle apparatus? A. aster fibers B. centromere C. chromatin D. nuclear envelope 3. The G 1 stage of the cell cycle marks the beginning of the A. cell cycle. B. process of cytokinesis. C. process of mitosis. D. protein cycle. Part B: Completion 4. How can apoptosis be defined? A. cell death B. cell growth C. complete mitosis D. incomplete mitosis 5. Unspecialized human cells are called A. cancer cells. B. mitotic cells. C. signal cells. D. stem cells. 6. Why is adult stem cell research less controversial than embryonic stem cell research? A. Adult stem cell research has wider medical applications. B. Consent can be obtained from adult stem cell donors. C. Donated cadavers can be used to harvest adult stem cells. D. Stem cells from adults require no animal experimentation. Write the correct term in the blank to complete each sentence below. 1. The structure that attaches sister chromatids is called the. 2. The shortest stage of mitosis is. 142 Cellular Reproduction CHAPTER 9 Unit 2

8 Chapter Test C CONTINUED 3. A bacterium cell reproduces using the process of. 4. Special proteins that bind to enzymes during the cell cycle are called. 5. A failure in the regulation of the cell cycle will result in. 6. Ultraviolet radiation is an example of a(n). Part C: Interpreting Drawings and Graphs Use the illustration above to respond to the following statement. 1. Interpret Identify the four stages of mitosis in the drawings labeled A D. Explain the reasons for your identifications. Use the graph on the right to respond to each question. 2. Interpret At what age does the occurrence of pancreatic cancer increase significantly for males and females? 3. Interpret What age group of men does not fit the pattern for contracting pancreatic cancer? Explain. Unit 2 CHAPTER 9 Cellular Reproduction 143

9 Chapter Test C CONTINUED Part D: Short Answer 1. Summarize the three stages of the cell cycle. 2. Explain why the risk of cancer increases with age. 3. Describe the formation of embryonic stem cells. Part E: Concept Application 1. Contrast A typical animal cell has a diameter of 20 µm. Contrast the efficiency of a typical cell s functions with the cell function efficiency of a hypothetical cell with a 40-µm diameter. 2. Contrast the arguments of those in favor of embryonic stem cell research with those who oppose the research. 144 Cellular Reproduction CHAPTER 9 Unit 2

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