Across
- 2. making an exact copy of a cell or organism
- 6. fertilization occurs outside of the body and a resulting embryo is placed in the uterus
- 8. organisms that are too small and need a microscope to be seen
- 9. often mistaken for bacteria
- 10. cells that carry a nucleus and other organelles
- 11. counteract specific antigens
- 14. large chain of amino acids
- 16. determines the presence of certain alleles.
- 17. proteins that are catalysts
- 18. toxic to humans
- 19. building blocks for all
- 20. cells that lack a nucleus and other organelles
Down
- 1. a symptom of your body trying to fight (includes redness, swelling and etc)
- 3. two or more chemicals chemically combined
- 4. disease causing organism
- 5. single celled organisms
- 7. have had genes from other organisms inserted into their DNA.
- 12. little organs within cells
- 13. takeover of germs
- 15. basic unit of chemical elements
- 16. to insert a healthy form of a gene into certain cells