Life Science Test 40 points Name____________ Block____________ Mitosis I. Definitions and Explanations. 3pts each. Choose six. 1. What is the definition of mitosis? 2. What is the purpose of cellular reproduction? 3. Name the four phases of mitosis in order. 4. What are the three stages of the cell cycle? 5. What are chromosomes? 6. What happens during the last phase of mitosis? 7. What is cytokinesis? 8. What role do the centrioles play in mitosis? II. Matching. 1 pt. Each. Write the letters that match these statements. a. b. c. d. e. prophase metaphase anaphase telophase interphase f. centromere g. eukaryotic h. nucleus i. sister chromatids j. spindle 9. This structure holds the two sister chromatids together. _________ 10. The structure that forms between the two sets of centrioles.______ 11. Chromatin condenses into chromsomes during this phase of mitosis. _______ 12. These kinds of cells undergo mitosis._________ 13. During this phase of mitosis, chromosomes begin to move towards opposite poles of the cell._________ 14. During this phase, the chromosomes revert to chromatin._________ 15. This is the name for the two identical halves of the chromosome seen during metaphase._________ 16. This is where chromosomes are found in a cell. __________ 17. During this stage of mitosis, the chromosomes line up on the equator._______ 18. This stage of the cell cycle lasts the longest.__________ III. Short Answer. 2 points each. 19. If a parent cell has five chromosomes, how many chromosomes will each of the daughter cells have?___________________________________________ 20. What are the sister chromatids called once they split apart?___________________________________________________________ 21. How many new cells are created by mitosis?______________________ 22. What two stages of the cell cycle are NOT part of mitosis?_________________________________________________________ 23. What is condensed chromatin called?____________________________ 24. Draw a picture of anaphase. Extra Credit !!! For each phase of mitosis, draw a picture and give an explanation for what is happening inside the cell.