Across
- 3. major fuel used for cell activities
- 4. one of the necessities of life
- 6. large molecules made up of amino acids
- 7. a protein that speeds up chemical reactions
- 10. transmission of characteristics from one generation to the next
- 11. organism that cannot make their own food
- 12. compounds that do not dissolve in water
- 13. maintenance of a stable internal environment
- 15. basic unit of life
Down
- 1. made up of one or more sugars
- 2. they can make their own food
- 5. a response to an internal stimulus
- 8. acids blueprint of life
- 9. a very hot day
- 14. total of all chemical activities