Across
- 3. a molecule made from sugar during breaking down for energy.
- 5. when cells use oxygen to turn food into energy.
- 8. the movement of ions (like hydrogen) across a membrane to make energy (ATP).
- 11. a simple cell without a nucleus.
- 12. a helper molecule that helps enzymes do their job.
- 15. a tiny living thing that moves and eats with its shape-changing body.
- 16. the total gain left after subtracting any losses or costs.
- 17. producing or giving something.
Down
- 1. a cell that has a nucleus.
- 2. an enzyme that helps make (synthesize) a molecule.
- 4. when cells make energy without using oxygen.
- 6. a molecule that carries energy from broken-down food into the energy-making cycle.
- 7. chemicals with phosphorus that give energy to cells.
- 9. poisonous chemical that can stop cells from making energy.
- 10. tiny living things turning food or sugar into gas, alcohol, or acid.
- 13. process of breaking down sugar into pyruvate to make energy.
- 14. when a substance loses electrons, often by joining with oxygen.
- 18. a protein that speeds up chemical reactions in the body.