Tagged: Citrate

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Fructose 2, 6 Bis phosphate and regulation of glycolysis

Case details A patient presents with dizziness, fatigue and tremors. A finger stick test indicates blood glucose of 36mmol/L. Of the allosteric activators of glycolysis in the liver, which of the following is the most important in maintaining a normal blood glucose level? A. Citrate B. ATP C. Fructose 2, 6 bisphosphate D. Glucose-6-Phosphate E. Acetyl Co A The correct answer is- C- Fructose 2,6 bisphosphate Generally, enzymes that catalyze essentially irreversible steps in metabolic pathways are potential sites for regulatory control.  Although most of the reactions of glycolysis are reversible, three are markedly exergonic and must therefore be considered...

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Answer- Case study- Amino acid supplements- A 27- year-old, semiprofessional tennis player seeks advice from a hospital-based nutritionist…

AMINO ACID METABOLISM A 27- year-old, semiprofessional tennis player seeks advice from a hospital-based nutritionist concerning his diet supplements. His coach had given him amino acid supplements consisting of phenyl alanine and tyrosine. The rationale was that these precursors to several neurotransmitters will “help his brain focus” on his game. In reality, the excess amino acids are used for energy, with a poor and eclectic diet. Phenyl alanine upon metabolism enters TCA cycle as which of the following? A. Oxaloacetate B. Fumarate C. Succinyl co A D. Citrate E. α- Keto glutarate Answer- The right answer is B- Fumarate. Phenyl...

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Case study- Amino acid supplements-A 27- year-old, semiprofessional tennis player seeks advice from a hospital-based nutritionist concerning his diet…

QUESTION OF THE DAY AMINO ACID METABOLISM A 27- year-old, semiprofessional tennis player seeks advice from a hospital-based nutritionist concerning his diet supplements. His coach had given him amino acid supplements consisting of phenyl alanine and tyrosine. The rationale was that these precursors to several neurotransmitters will “help his brain focus” on his game. Figure- Amino acid supplements In reality, the excess amino acids are used for energy, with a poor and eclectic diet. Phenyl alanine upon metabolism enters TCA cycle as which of the following? A. Oxaloacetate B. Fumarate C. Succinyl co A D. Citrate E. α- Keto glutarate...

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