Vocabulary Quiz

4. A molecule that stores energy for cellular functions
5. The end result of a chemical reaction
10. potential energy This describes energy stored in chemical bonds
11. The first step in breaking down glucose to make energy
14. variable A variable that is changed in an experiment
15. variable The variable that changes because of the independent variable
16. Substances that enter a chemical reaction
17. This blood vessel carries blood to the heart
18. A blue chemical that changes color in the presence of carbon dioxide
19. review A process where experiments are checked by others in the same field
21. An organ that produces insulin

1. A process for breaking down food in the absence of oxygen
2. A guess made before conducting an experiment
3. The overall balance and stability in an organism’s internal conditions
6. The substance that insulin helps regulate
7. feedback loop A feedback system that helps the body maintain stable conditions
8. feedback loop A feedback mechanism that counteracts a change in a system
9. A blood vessel that carries oxygenated blood away from the heart
12. respiration A biological process that happens without oxygen
13. respiration The process of breaking down glucose to produce ATP in the presence of oxygen
20. acid A waste product of anaerobic respiration that causes muscle fatigue