Which of the following represents the most significant regulatory control point among these TCA cycle reactions?
ASuccinyl-CoA to Succinate (Succinyl-CoA synthetase)
BIsocitrate to Alpha-ketoglutarate (Isocitrate dehydrogenase)
CAcetyl-CoA + Oxaloacetate to Citrate (Citrate synthase)
DAlpha-ketoglutarate to Succinyl-CoA (Alpha-ketoglutarate dehydrogenase complex)
Which of the following statements is correct regarding the given graph?
ADrug 1 represents agonist and drug 2 represents inverse agonist
BDrug 3 represents agonist and drug 4 represents inverse agonist
CDrug 2 represents partial agonist and drug 3 represents inverse agonist
DDrug 1 represents agonist and drug 4 represents inverse agonist
Km of an enzyme is
ANumerically identical for all isozymes that catalyze a given reaction
BThe substrate concentration at half maximum velocity
CThe normal physiological substrate concentration
DDissociation constant
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