Across
- 2. Positively charged atom
- 4. A chemical reaction that requires energy to occur
- 6. Requiring narrow environmental conditions
- 8. Always contain one allele of each type
- 10. Storage form of carbohydrates in animals
- 11. Proteins composed of monomers called amino acids
Down
- 1. A chemical reaction that releases energy as a product
- 3. A phase change from gas to solid that requires the subtraction of heat
- 5. Represents the sum total of all the chromosomal information in the cell
- 7. The reactant in a chemical reaction
- 9. Negatively charged atom