Across
- 2. relating to, involving, or requiring free oxygen
- 4. the breakdown of glucose by enzymes releasing energy and pyruvic acid
- 5. is a substance that is present at the end of a chemical reaction
- 9. a plasted that contains chlorophyll and in which photosynthesis takes place
- 10. a substance produced by a living organism which acts as a catalyst
Down
- 1. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change
- 3. is a green pigment found in plants
- 6. a substance that takes part in and undergoes change during a reaction
- 7. is an important chemical compound in biochemistry
- 8. a simple sugar which is an important energy source in living organisms