To which class of enzymes does each of the following belong?
1. Phosphofructokinase p. 383 (#3 glycolysis) - transferases
2. Triose phosphate isomerase p. 383 (#5 glycolysis) - isomerases
3. Pyruvate kinase - p.384 (#10 glycolysis) - lyases
4. Pyruvate dehydrogenase p. 388 - hydrolases
5. Alcohol dehydrogenase p. 390 - oxidoreductases
6. Lactate dehydrogenase p. 389 - oxidoreductases
7. Pyruvate decarboxylase p. 390 - lyases
8. Alanine transaminase p. 468 - transferases
9. Acetoacetate decarboxylase - p. 447 (#4) - lyases
10. Lipase - p. 437 - hydrolases