Science Midterm Review

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Across
  1. 3. sister chromatids separate, spindle fibers shorten and pull chromatids toward the center of the cell, cell shortens
  2. 6. sister chromatids are held together by a structure called a _________
  3. 8. most cells in an organism go through a cycle of growth, development, and division called the _____ ______
  4. 10. the division of the cytoplasm and its contents
  5. 11. groups of similar types of cells that work together to carry out specific tasks
  6. 12. the period during the cell cycle of a cell's growth and development
  7. 13. the division of the nucleus and its contents
  8. 15. the two new cells that result from mitosis and cytokinesis
  9. 16. groups of different tissues working together to perform a particular job
Down
  1. 1. copied DNA condenses to chromosomes, nucleolus disappears, spindle fibers form
  2. 2. two identical chromosomes called ________ make up a duplicated chromosome
  3. 4. unspecialized cells that are able to develop into different cells
  4. 5. the process by which cells become different types of cells is called ______
  5. 7. groups of different organs that work together to complete a series of tasks
  6. 9. chromosomes line up in single file down the center of the cell
  7. 14. nuclear membrane forms, chromosomes unwind, spindle fibers break down, two identical nuclei form