Cell cycle

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Across
  1. 2. the material of which the chromosomes of organisms other than bacteria (i.e., eukaryotes) are composed. It consists of protein, RNA, and DNA.
  2. 5. the cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.
  3. 8. threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
  4. 9. Helps maintain cell shape
  5. 11. a plastid that contains chlorophyll and in which photosynthesis takes place.
  6. 14. the semipermeable membrane surrounding the cytoplasm of a cell.
  7. 16. the final phase of cell division, between anaphase and interphase, in which the chromatids or chromosomes move to opposite ends of the cell and two nuclei are formed.
  8. 17. a self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
  9. 18. a protein structure that divides the genetic material in a cell.
  10. 19. the first stage of cell division, before metaphase, during which the chromosomes become visible as paired chromatids and the nuclear envelope disappears. The first prophase of meiosis includes the reduction division.
Down
  1. 1. a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane, containing the genetic material.
  2. 3. Makes proteins
  3. 4. the second stage of cell division, between prophase and anaphase, during which the chromosomes become attached to the spindle fibers.
  4. 6. ach of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.
  5. 7. the resting phase between successive mitotic divisions of a cell, or between the first and second divisions of meiosis.
  6. 8. cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.
  7. 9. smallest unit that can live on its own
  8. 10. a form of cellular division that involves the somatic cells
  9. 12. that makes up all living things and tissue
  10. 13. the stage of meiotic or mitotic cell division in which the chromosomes move away from one another to opposite poles of the spindle.
  11. 15. an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form layers