Across
- 2. sister chromatids stretchs out into thin chromastin
- 3. chromatin thickens and coils up
- 4. sister chromatids separate
- 5. structures in the nucles that contain the genetic information
- 7. stores calcium
- 9. sends messages and coordinate activity of the body
- 10. the material in the nucleous of a cell
- 12. delivers oxygen to cells
- 13. reproduction, a single parent production offspring
- 14. Cover and protect the body
- 15. reproduction, two parents contribute genetic information to one offspring
Down
- 1. Chromosome line up in the middle of the cell
- 6. contract to allow movement
- 8. Protects sound vibrations
- 11. store energys