Matter & Energy Cycles

2. excess gas released by plants; used by all organisms
4. acid organic molecules that contain genetic information
7. site the region on an enzyme that binds to a substrate
9. process by which energy is stored in chemical bonds of organic molecules such as carbohydrates
12. substances produced at the end of a chemical reaction; right of arrow
13. an element that cycles throughout all spheres of Earth, one of those needed for a molecule to be considered organic
14. an element and gaseous molecule necessary for cellular respiration
16. respiration process by which chemical energy stored in nutrients is released for use in cells
19. organic molecules that store energy
20. the molecule an enzyme matches up with to cause the biochemical reactions
21. organelle that is the site of photosynthesis
22. dioxide gas exhaled by animals; used by plants only
23. an organic molecule made up of amino acids, aid in growth and repair
24. a molecule taken into plants through their roots, necessary for photosynthesis

1. specifically shaped proteins that speed up the rate of chemical reactions
3. an organic molecule necessary for the production of ATP
5. organic molecules made up of simple sugars, used for fast energy
6. organelle that is the site of cellular respiration
8. high energy molecules generated during cell respiration
10. these molecules contain the elements carbon, hydrogen, and oxygen
11. combining simple molecules into complex ones
15. an element that is not usable in its gaseous state, must be fixed to be used by plants
17. substances required at the start of a chemical reaction; left of arrow
18. dioxide an inorganic molecule removed from the atmosphere by plants and released as a waste product by animals