[S]ina[F]ritz crossword for dummies

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Across
  1. 7. "e" in MRS GREN
  2. 9. "S" in MRS GREN
  3. 10. controls cell division
  4. 11. is a sperm cell plant or animal based?
Down
  1. 1. several tissues grouped together
  2. 2. "M" in MRS GREN
  3. 3. FIGURE B2.8 "Cells from the lining ... of the cheek (x1500)" page 9
  4. 4. "n" in MRS GREN
  5. 5. independent plant or animal
  6. 6. "G" in MRS GREN
  7. 8. hundreds of single type cells