How do oxidoreductases facilitate oxidation-reduction reactions?

In the conversion of lactate to pyruvate by lactate dehydrogenase, which molecule is reduced?

What is the primary function of hydrolyases?

Which enzyme would most likely catalyze the conversion of glucose-6-phosphate to fructose-6-phosphate?

In a redox reaction catalyzed by an oxidoreductase, which of the following is true?

What is the role of alanine transaminase in amino acid metabolism?

What role does DNA ligase play in DNA replication?