Unit 3 Vocab Crossword

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Across
  1. 1. Growth and creation of new organelles; first phase of interphase.
  2. 8. "In between" period of growth; longest stage of the cell cycle; 3 phases (Gap1, Synthesis, Gap2).
  3. 9. Masses of cells
  4. 12. A protein that triggers mitosis.
  5. 15. Chromosomes gather at opposite ends of the cell and lose their distinct shapes, 2 new nuclear envelopes form, nucleolus becomes visible in each daughter cell.
  6. 16. Cell motion, division of cytoplasm, plants: cell plate, animals: cleavage.
  7. 17. Chromosomes line up across the center, each chromosome is connected to a spindle fiber at the centromere.
  8. 19. Preparation for mitosis; shortest phase, last phase of interphase.
  9. 20. The process in which a cell divides into 2 new daughter cells; made up of 4 phases.
Down
  1. 2. Chromatin condenses into chromosomes, centrioles separate, spindle fibers form, nuclear envelope breaks down.
  2. 3. As a cell gets bigger, volume _______ faster than surface area.
  3. 4. Passed on from 1 generation to another by chromosomes, consists of 2 identical "sister" chromatids held together by a centromere, chromatin condenses into chromosomes made up of two chromatids.
  4. 5. Sister chromatids separate into individual chromosomes and are moved apart.
  5. 6. Tumor that can't invade surrounding cells, or spread to other parts of the body, not cancerous, typically can be removed.
  6. 7. As a cell gets bigger it becomes harder to maintain because of a lack of ________.
  7. 10. Disorder in which the body's cells lose their ability to control growth rate, do not respond to signals that regulate growth.
  8. 11. Chromosome replication; second phase of interphase.
  9. 13. made up of DNA.
  10. 14. Series of events that cells go through as they grow and divide.
  11. 18. Tumor that can invade surrounding cells and spread to other parts of the body, cancerous.