A small molecule that DECREASES the activity of an enzyme by binding to a site other than the catalytic site is termed a（n）（）
A. allosteric inhibitor
B. alternative inhibitor
C. competitive inhibitor
D. stereospecific agent
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Which type of enzyme is responsible for attaching phosphate groups to specific amino acids（）
A. a protein phosphatase
B. a protein kinase
C. a protein glycosylase
D. an ATPase
Which reaction in glycolysis requires ATP as a substrate（）
A. hexokinase
B. glyceraldehyde-3-phosphate dehydrogenase
C. pyruvate kinase
D. aldolase
Which statement about gluconeogenesis is FALSE（）
A. For starting materials, it can use carbon skeletons derived from certain amino acids
B. It consists entirely of the reactions of glycolysis, operating in the reverse direction
C. It employs the enzyme glucose 6-phosphatase
D. It is one of the ways that mammals maintain normal blood glucose levels
Which statement about allosteric control of enzymatic activity is FALSE（）
Allosteric effectors give rise to sigmoidal V versus [S] kinetic plots
B. An effector may either inhibit or activate an enzyme
C. Binding of the effector changes the conformation of the enzyme molecule
D. Heterotropic allosteric effectors compete with substrate for binding sites
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