3. In the oxidation-reduction reaction below, please identify what molecule (bolded) is oxidized and reduced.
Isocitrate + NAD+ -ketoglutarate + NADH + H+ (isocitrate dehydrogenase)
4. In the following transferase reaction, describe the role of the kinase enzyme.
Glucose + ATP Glucose-6-Phosphate + ADP (hexokinase)