Vocabulary Puzzle

3. one of several forms of a single element, which contains the same number of protons but different neutrons
7. macromolecule made mostly from carbon and hydrogen atoms
8. compound with an amino group on one end and a carbonyl group in the other end
9. compound made of carbon, hydrogen, and oxygen atoms
11. protein that catalyst that speeds up the rate of specific biological reactions
12. compound that produces hydroxide ions (OH-) in solution; solution with a pH of more that 7
16. reactant of an enzyme-catalyzed reaction
18. attraction between molecules of the same substance
19. small chemical unit that makes up a polymer

1. type of bond between atoms in which the electrons are escaped
2. molecule composed of many monomers, makes up macromolecules
3. chemical bond formed when one or more electrons are transferred from one atom to another
4. substance that speeds up the rate of a chemical reaction
5. atom that has a positive or negative charge
6. electron in the outer shell associated with an atom
10. compound that forms hydrogen ions (H+) in solution; a solution with a pH of less than 7
13. force of attraction between different kinds of molecules
14. macromolecules containing hydrogen, oxygen, nitrogen, carbon, and phosphorous
15. macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair
17. the basic unit of matter