Across
- 3. energy from sunlight to make rich food molecules
- 4. an electron carrier it accepts a pair of high energy electrons
- 8. uses energy from food to make cells to power growth and movement
- 10. acids most complex biological compounds
- 12. simple sugar, major source of energy
- 14. it does require oxygen
- 15. small dense region inside the nucleus
- 16. makes proteins
Down
- 1. the genetic information of DNA and controls the cells processes
- 2. release a great deal of energy if oxygen is present
- 3. a network of proteins that help the cell to maintain its shape
- 5. does not require oxygen
- 6. releases energy from food molecules in the absence of oxygen
- 7. includes fats, waxes, and oils
- 9. is a possible explanation for a set of observations
- 11. pyruvic acid is broken down in a series of energy
- 13. is the amount of energy needed to raise the temperature