Biology
Across
- 4. movement of substances from an area of high concentration to low concentration
- 5. chromosomes reach the opposite poles of the cell
- 6. first phase of mitosis
- 7. organelles that help produce proteins
- 10. not allowing fluid to pass through
- 12. collection of similar cells that perform a function
- 15. allowing liquids or gases to pass through it
Down
- 1. chromosomes split
- 2. division of the cytoplasm into equal parts
- 3. when a cell grows and carries out its usual functions, makes copies of its DNA
- 8. movement of water particles from a region of high concentration to low concentration
- 9. structure composed of two or more tissues
- 11. double stranded chromosomes line up in the middle
- 13. group of diseases that result from uncontrolled cell growth
- 14. basic unit of life