Cell Cycle and Mitosis Answers Key

Name Date Review « Cell Cysfe und Pitosts Hour Vocabulacy Matching 1. chromosome 2. anaphase 3. chromatid cancer 5. centromere 6, cell cycle 7. centriole 8. cell division 9. telophase 10. Oncogenes 11, spindle 12, cytokinesis 13. prophase 14. gene 15, mitosis 16, interphase metaphase a second phase of mitosis, during which the chromosomes line up across the center of the cell. b. genes that promote cell division c. a process of cell division that forms two new nuclei, has 4 substages to it d. a network of microtubules that forms during mitosis and moves chromatids to the poles: the "spider web e, the third phase of mitosis, during which the chromosome pairs separate and move toward the poles f. series of events (3 substages) that cells go through as they grow and divide 9. the region of the chromosome that holds the two sister chromatids together during mitosis h. threadlike structure containing the DNA that is passed from one generation to the next i. the most basic physical unit of heredity j. a division of the cytoplasm of the cell; the last part of the cell cycle k. fourth and final phase of mitosis, during which nucleoli reappear; two new nuclear membranes begin to form I first stage of the cell cycle, during which growth, DNA replication, and protein synthesis occur m. a type of disorder of cell growth that results in invasio and destruction of surrounding healthy tissues n. process by which a cell divides into two new daughter o o. one of the two "sisters" that becomes visible during mitosis p. first and longest phase of mitosis, during which the chromosomes become visible q. one of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope Lobeling Diogrom - On the lines below, lobel the events in the cell cycle that correspond with the numbers in the diogram. 2 M phase 18. 21 6₴ Regelasse mapsase 22. 23. 24 Telestass 25. Vocabulary Completion - Fill in the correct word in each sentence. 26. The three phases of_ Interphase. 6. 5, ond 6. 28. Cancer Palaphasestaphose is a disorder in which some of the body's own cells lose the 31. The three substages of the cell cycle, in order, are GI S and 2 mene felophase rate identical daughter cells are now separate during 35. The process by which a cell divide Multiple Choice 37. Why do multicellular organisms produce new cells? a. to advance the growth of an organism b. to replace old cells or cells that aren't working well c. to heal a tear or wound a all of the above A 3a. Which of the following is not true about concer? a Cancer cells have a defect in one gene. b. Cancer affects multicellular organisms. & Cancer cell grey very stone. Cancer cells may break loose from tumors and spread. 40 Mitosis occurs immediately after the synthesis phase of interphase before the second 6 phase of interphase after the second 6 phase of interphase after cytokinesis 41. Which of these events does not occur during interphase? a. The cell grows. b. The cell prepares for cell division c. DNA in each chromosome is copied. The cytoplasm is divided. C 12. What is the first stoge of mitens. a. interphase prophase b. metaphase d. telophase 45. Which of these happens during interphase? the cell doubles its genetic material b. the membrane around the cell nucleus dissolves d. the cell divides into two daughter cells both a and b 16. The Four stege of mitest in lude in no particular order) interphase, metaphase, anaphase, and telophase prophase, interphase, metaphase, and anaphase felophase, anaphase, prophase, and metaphase metaphase, interphase, telophase, and prophase