B2.3

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Across
  1. 2. Stem cells that can differentiate into any cell type including extra-embryonic tissues.
  2. 5. Adult stem cells that can differentiate into a limited number of related cell types.
  3. 7. A specialized human cell that lacks a nucleus to carry more oxygen.
  4. 9. The type of cloning used to create embryonic stem cells for medical use.
  5. 11. An unspecialized cell that can divide and differentiate into various cell types.
  6. 12. Organisms consisting of many cells that can show emergent properties.
  7. 14. The process by which newly formed cells become specialized.
  8. 16. The part of the cell ratio that must be large enough to allow for efficient exchange.
  9. 17. The mathematical relationship between surface area and volume.
Down
  1. 1. The part of the cell ratio that determines the rate of metabolic reactions.
  2. 3. All chemical reactions in a cell that produce heat and waste.
  3. 4. The complete set of genes in a cell which remains the same after differentiation.
  4. 6. Embryonic stem cells that can differentiate into any body cell type.
  5. 8. Differentiation occurs because of changes in gene ________.
  6. 10. The structural adaptation of a cell to perform a specific function.
  7. 13. The specific microenvironment in a tissue where stem cells are maintained.
  8. 15. Properties that arise from the interaction of component parts in a complex structure.
  9. 16. A specialized male gamete with a flagellum for motility.