22. Carbohydrate Metabolism

Classify each one of the following reactions as phosphorylation (P), isomerization (I), or neither (N).

a) ____ Conversion of glucose into glucose-6-phosphate.

b) ____ Conversion of glucose-6-phosphate into fructose-6-phosphate.

c) ____ Conversion of DHAP into G3P.

d) ____ Cleavage of fructose-1,6-bisphosphate into DHAP and G3P.

Which one of the following compound pairs is produced by cleavage of fructose-1,6-bisphosphate?

Which enzyme catalyzes the oxidation of glyceraldehyde-3-phosphate in reaction 6 of glycolysis?

What is the energy output of reaction 7 of glycolysis (1,3-bisphosphoglycerate to 3-phosphoglycerate)?

What product is formed when phosphoglycerate mutase moves the phosphate group in 3-phosphoglycerate?