Cells ch. 1, 2, meiosis
Across
- 5. X shaped structures found in the nucleus
- 7. the first object observed with a microscope
- 8. the number of parents needed for sexual reproduction
- 13. the protective coating of the cell
- 17. the organelle that stores the DNA
- 18. process by which mitosis is complete and the cells are separted
- 19. the stage in mitosis in which the chromatin convertes to chromosomes
- 20. tiny structures that perform specific functions in cells
- 21. all living things are made of these
Down
- 1. enables observers to see cells
- 2. 1/2 of a chromosome
- 3. DNA in the form of thread like shape
- 4. in asexual reproduction the offspring are __ to the parent
- 6. designed the first compound microscope
- 9. number of cells produced at the end of meiosis
- 10. the last stage of mitosis
- 11. reproduction that only takes one parent
- 12. number of parents needed in asexual reproduction
- 14. the stage cells are in 90% of the time
- 15. the stage in mitosis in which the chromosomes separate and drift to opposite sides
- 16. the stage in mitosis in which the chromosomes line up in the middle