Which statement is TRUE of glycogen synthase()
Activation of the enzyme involves a phosphorylation
B. It catalyzes addition of glucose residues to the nonreducing end of a glycogen chain by formation of (α1 -4) bonds
C. It uses glucose-6-phosphate as donor of glucose units
D. The enzyme has measurable activity only in liver
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Which enzymatic activity would be decreased by thiamine deficiency()
A. α-ketoglutarate dehydrogenase complex
B. isocitrate dehydrogenase
C. malate dehydrogenase
D. fumarase
Which compound(s) is/are a high-energy intermediate(s) in glycolysis()
A. fructose 1,6-bisphosphate
B. NADH
C. 1,3-bisphosphoglycerate and phosphoenol pyruvate
D. fructose 1,6-bisphosphate, 1,3-bisphosphoglycerate, and phosphoenol pyruvate
Which statement about the pentose phosphate pathway is CORRECT()
A. It generates 36 mol of ATP per mole of glucose consumed
B. It is a reductive pathway; it consumes NADH
C. It is present in plants, but not in animals
D. It provides precursors for the synthesis of nucleotides
The reaction of the citric acid cycle that produces an ATP equivalent (in the form of GTP) by substrate level phosphorylation is the conversion of()
A. succinyl-CoA to succinate
B. citrate to isocitrate
C. fumarate to malate
D. succinate to fumarate