TLS Online TPP Program
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TLS Online TPP Program
#Question id: 24220
#Unit 1. Molecules and their Interaction Relevant to Biology
Glucagon stimulates cAMP from ATP. Cyclic AMP then activates cAMP-dependent protein kinase, phosphorylates PFK-2/FBPase-2. Phosphorylation of this protein enhances its FBPase-2 activity and inhibits its PFK-2 activity resulting
TLS Online TPP Program
#Question id: 24221
#Unit 1. Molecules and their Interaction Relevant to Biology
Glucagon lowers the cellular level of fructose 2,6 bisphosphate by
TLS Online TPP Program
#Question id: 24222
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following reaction of glycolysis is irreversible
1. Glucose is converted to glucose 6-phosphate in the presence of the enzyme hexokinase.
2. Fructose 6-phosphate is converted to fructose 1,6-biphosphate in the presence of the enzyme phosphofructokinase.
3. Phosphoenolpyruvate is converted to pyruvate in the presence of the enzyme pyruvate kinase.
4. isomerization of glucose 6-phosphate to fructose 6-phosphate
TLS Online TPP Program
#Question id: 24223
#Unit 1. Molecules and their Interaction Relevant to Biology
Phosphoglycerate mutase catalyses a reversible shift of the phosphoryl group between C-2 and C-3 of glycerate; which of the following ion is essential for this reaction
TLS Online TPP Program
#Question id: 24224
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following can be synthesized from pyruvate in one step, allosterically inhibits pyruvate kinase, slowing the production of pyruvate by glycolysis
TLS Online TPP Program
#Question id: 24225
#Unit 1. Molecules and their Interaction Relevant to Biology
Choose the incorrect option