Biology - Vocabulary - 7

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Across
  1. 3. having no dangerous effect on health, especially referring to an abnormal growth of cells that are not cancerous
  2. 4. second phase of mitosis when spindle fibers line up the chromosomes along the cell equator
  3. 5. programmed cell death
  4. 9. cancerous tumor in which cells break away and spread to other parts of the body, causing harm to the organism's health
  5. 10. broad group of proteins that stimulate cell division
  6. 13. pattern of growth, DNA replication, and cell division that occurs in a eukaryotic cell
  7. 14. one half of a duplicated chromosome
  8. 16. repeating nucleotide at the ends of DNA molecules that do not form genes and help prevent the loss of genes
  9. 17. first phase of mitosis when chromatin condenses, the nuclear envelope breaks down, the nucleolus disappears, and the centrosomes and centrioles move to opposite sides of the cell
  10. 19. loose combination of DNA and proteins that is present during interphase
  11. 22. process by which the cell cytoplasm divides
Down
  1. 1. anaerobic process by which ATP is produced by glycolysis
  2. 2. third phase of mitosis during which chromatids separate and are pulled to opposite sides of the cell
  3. 6. substance that causes cancer
  4. 7. product of fermentation in many types of cells, including human muscle cells
  5. 8. process by which a cell divides its nucleus and contents
  6. 11. common name for a class of diseases characterized by uncontrolled cell division
  7. 12. to spread by transferring a disease-causing agent from the site of the disease to other parts of the body
  8. 15. long, continuous thread of DNA that consists of numerous genes and regulatory information
  9. 18. part of a condensed chromosome that looks pinched; where spindle fibers attach during meiosis and mitosis
  10. 20. protein that organizes chromosomes and around which DNA wraps
  11. 21. last phase of mitosis when a complete set of identical chromosomes is positioned at each pole of the cell, the nuclear membranes start to form, the chromosomes begin to uncoil, and the spindle fibers break apart