Unit 2 Crossword Puzzle

5. the minimum quantity of energy which the reacting species must possess in order to undergo a specified reaction.
6. They include many natural oils, waxes, and steroids.
8. Makes up your genetic code
13. he sticking together of particles of the same substance.
14. large molecules made by bonding a series of building blocks
15. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
16. form the basic structural unit of nucleic acids such as DNA.
17. chemical bond that is formed by joining the carboxyl group of one amino acid to the amino group of another.

1. a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
2. 4 across is an example of one
3. Example of a protein
4. Example of a carbohydrate
7. the attraction of molecules of one kind for molecules of a different kind
9. molecules that combine to form proteins
10. Example of lipids
11. substance with the ability to dissolve other substances to form a solution
12. 7 across is an example of a
17. a measure of how acidic/basic substances are