The key enzyme of the glycolysis is: ()
A. pyruvate carboxylase
B. pyruvate dehydrogenase
C. pyruvate kinase
D. fructose 1,6-bisphophatase
E. LDH
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NADP+ is the coenzyme of: ()
A. LDH
B. succinate dehydrogenase
C. malate dehydrogenase
D. glyceraldehydes-3-phosphate dehydrogenase
E. glucose -6 phosphate dehydrogenase
Which of the following material can be synthesized at liver only? ()
A. fat
B. cholesterol
C. protein
D. fatty acid
E. urea
In the condition of starvation, which of the following is wrong? ()
A. insulin secretion is enhanced
B. glucagon secretion is enhanced
C. fat mobilization is enhanced
D. synthesis of ketone bodies is enhanced
E. glyconeogenesis is enhanced
Which of the following is not correct about the substance metabolism in different tissues and organs? ()
A. liver is the main organ of the substance metabolism
B. glucose decomposition in heart is mainly aerobic oxidation
C. the energy of brain usually come from glucose
D. the energy of red blood cell usually come from glycolysis
E. liver is the only organ that have the pathway of glyconeogenesis
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