Biology

1. a substance that takes part in and changes a reaction
4. energy needed to function
6. the movement of water across a semipermeable membrane
8. any coloured material found in a plant or animal cell
9. plants and other organisms to convert light energy into chemical energy that
12. the space inside the mitochondria where the Krebs cycle happens
14. a coenzyme that works with enzymes
15. the main source of energy for cells and an important part of aerobic respiration

2. bounded by pigmented membranes on which the light reactions of photosynthesis take place
3. a plastid that contains chlorophyll and in which photosynthesis takes place.
5. a substance produced by a living organism which acts as a catalyst
7. where the ATP energy molecules are made
10. the breakdown of glucose by enzymes
11. intermingling of substances by the natural movement of their particles
13. living organisms involving the production of energy
14. requires oxygen