Across
- 3. three-base sequence on messenger RNA that codes for a single amino acid
- 5. line up at the equator.
- 6. contains digestive enzymes to break down foreign bodies or dead cells
- 10. another name of a protein
- 11. four chromatids together AKA homologous chromosomes or pairs
- 12. most chemical reactions happen here
- 13. half number of chromosomes
- 15. Area where the chromatids of a chromosome are attached
- 17. microtubules that connect to spindle fibers
- 18. makes protein
- 20. Body cells
- 21. the sugar included in a nucleotide building block of RNA.
Down
- 1. Structures found in the nucleus, contains DNA
- 2. chromosome that codes for body cells or contains gene for body cells
- 4. the process of making mRNA from DNA.
- 7. A unicellular organism that lacks a nucleus and membrane bound organelles
- 8. Male chromosome pair
- 9. located at end of chromosome-protects chromosomes
- 14. sperm and egg combined
- 16. metaphase II
- 19. process of making sperm or egg