Cells

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Across
  1. 2. number of chromosomes most humans have
  2. 5. made up of elements such as carbon, O2, hydrogen, sulfur, nitrogen, and phosphorus
  3. 6. outer protective covering of the cell.
  4. 8. a semifluid inside a cell that where all the organelles are located
  5. 9. contain enzymes
Down
  1. 1. total mass of genetic instruction humans inherit from their parents
  2. 3. protein synthesis
  3. 4. makes ribosomes
  4. 7. "brain" of the cell