Across
- 3. Cells that have a nucleus and membrane-bound organelles
- 6. The basic building block of DNA and RNA
- 8. Organisms that lack a nucleus
- 10. The genetic makeup of an organism
- 11. A DNA segment where a repressor protein binds
- 13. A three-nucleotide sequence that codes for an amino acid
- 14. The physical traits expressed by an organism
Down
- 1. The turning on of gene expression
- 2. The process of making a protein from mRNA
- 4. The turning off of gene expression
- 5. A nitrogen base that pairs with thymine in DNA
- 7. The process of making mRNA from DNA
- 9. Structures that build proteins
- 10. A nitrogen base that pairs with cytosine in DNA
- 12. A cluster of genes regulated together under one promoter