Which enzymatic activity would be decreased by thiamine deficiency（）
A. α-ketoglutarate dehydrogenase complex
B. isocitrate dehydrogenase
C. malate dehydrogenase
D. fumarase
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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
In comparison with the resting state, actively contracting human muscle tissue has a（）
A. higher concentration of ATP
B. higher rate of lactate formation
C. lower consumption of glucose
D. lower rate of consumption of oxygen
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