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Across 5. development of cells 7. centrioles move to opposite ends 11. The fourth and final phase of mitosis. 12. carries out normal metabolic activities and grow 16. The second stage, the division of the cytoplasm. 18. Duplicated strands of the DNA molecule can be seen to be attached along their length at an area. 20. Spindle fibers extend from a region called the centrosome, where tiny paired structures are located. 21. the double-layer membrane enclosing the nucleus 22. First stage of the process, division of the cell nucleus. 23. containing material that are in chromatin form

Down 1. First phase of mitosis, usually the longest and may take up half of the total time required to complete mitosis. 2. sister chromosomes move to opposite ends 3. Second phase of mitosis, is generally the shortest. 4. chromosomes line in center 6. divisions of cells 8. Biologists described the life of a cell as one cell division after another separated by an "in-between" period of growth. 9. Each DNA strand in the duplicated chromosome is referred to as a sister chromatid. 10. The chromosomes in eukaryotic cells form a close association with histones, a type of protein. 13. begins as soon as chromosomes movement stops 14. where cells pinch to separate 15. divisions of nucleus and cells 16. _________ looks v-shape 17. Genetic information is bundled into packages of DNA 19. Third phase of mitosis, begins when sister chromatids separate and begin to move apart.