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Cell Cycle Project: Modeling The Cell Cycle There are three steps to the cell cycle: Interphase, Mitosis, and Cytokinesis. During Interphase, the cell prepares to reproduce itself. During mitosis, a cell’s nucleus divides into two new nuclei with identical genetic material. In Cytokinesis, the cell divides the cytoplasm and creates 2 new daughter cells. In this project, you will create a model to represent what happens to the DNA of the cell in each step of the cell cycle. Procedure: 1. Construct a model of a cell that has four chromosomes using chenille sticks, straws, or colored thread to represent the chromosomes. 2. Position the chromosomes in the cell where they would be during each step. Use the figure of the cell cycle in your book as a guide. 3. You may design your model any way you like, but be sure it represents each step of the cell cycle. 4. When you have completed your model, answer the following questions IN COMPLETE SENTENCES. Do this in a Word document. a. Why is it important that the cell makes an identical copy of the DNA during interphase? b. Why does the nuclear membrane have to dissolve during prophase? Why does it have to reappear in telophase? c. How does the cell cycle help you and your body? 5. EXTRA: Create a model that represents how cytokinesis happens in a plant cell. Add this question to #4. …..d. Why is cytokinesis different for plant cells? 6. Fill in the Student Assessment column of the rubric on the back of this sheet. Use this grading scale: GRADING CRITERIA Criteria Your work demonstrates a limited understanding of the skills and content being taught. (You didn’t ‘get it’ or you didn’t do it.) Your work demonstrates a growing understanding of the skills and content being taught. (Some things you understood. Some things you didn’t.) Grade 1 2 Criteria Your work demonstrates a solid understanding of the skills and content being taught, and you applied concepts to situations we have practiced. (You ‘got it’.) Your work demonstrates an in-depth understanding of the skills and content being taught, and you applied concepts to situations we have not practiced before. (You exceeded my expectations.) ONLY APPLIES TO THE EXTRA STEPS Grade 3 4 Name: Date: Period: Cell Project Rubrics Rubric: SCIENTIFIC INQUIRY CRITERIA POSSIBLE POINTS Correctly represents the events of Interphase. 3 Correctly represents the events of Prophase. 3 Correctly represents the events of Metaphase. 3 Correctly represents the events of Anaphase. 3 Correctly represents the events of Telophase 3 Correctly represents the events of Cytokinesis 3 Scientific Inquiry Total: 18 STUDENT ASSESSMENT TEACHER ASSESSMENT Rubric: SCIENTIFIC LITERACY CRITERIA POSSIBLE POINTS Correctly answered question a. Used appropriate vocabulary. 3 Correctly answered question b. Used appropriate vocabulary 3 Correctly answered question c. Used appropriate vocabulary 3 Scientific Literacy Total: 9 STUDENT ASSESSMENT TEACHER ASSESSMENT STUDENT ASSESSMENT TEACHER ASSESSMENT Rubric: EXTRA CRITERIA Correctly represents the events of cytokinesis in plant cells Correctly answered question d. Used appropriate vocabulary POSSIBLE POINTS +1 to Sci Inq +1 to Sci Lit Rubric: GRADE Sci Inq Total 18-14 13-7 6-14 Grade 3 2 1 Sci Lit Total 9-8 7-4 3-1 Grade 3 2 1 Scientific Inquiry Grade: ______ Scientific Literacy Grade: ______