NADPH

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Questions and Answers

Which of the following is NOT a requirement for anabolic pathways?

  • Electron donors
  • Reducing power
  • Energy
  • Oxidative phosphorylation (correct)

What are the substrates for gluconeogenesis?

  • Lactate and glycerol
  • Glycerol and amino acids (correct)
  • Glycerol and pyruvate
  • Lactate and amino acids

Which of the following is an irreversible step in glycolysis?

  • Conversion of fructose-6-phosphate to fructose-1,6-bisphosphate (correct)
  • Conversion of phosphoenolpyruvate to pyruvate
  • Conversion of glucose to glucose-6-phosphate
  • Conversion of pyruvate to lactate

Which of the following is NOT a use of NADPH?

<p>Protein synthesis (D)</p> Signup and view all the answers

Which of the following is an activator of PRPP synthetase?

<p>Inorganic Phosphate (Pi) (C)</p> Signup and view all the answers

What is the common intermediate in pyrimidine biosynthesis?

<p>IMP (C)</p> Signup and view all the answers

Which of the following is NOT a clinical aspect related to nucleotide biosynthesis and degradation?

<p>Prevention of DNA replication (D)</p> Signup and view all the answers

Which of the following is an irreversible step in glycolysis?

<p>Conversion of glyceraldehyde-3-phosphate to 1,3-bisphosphoglycerate (C)</p> Signup and view all the answers

Which enzyme is responsible for the conversion of pyruvate to lactate?

<p>Lactate dehydrogenase (C)</p> Signup and view all the answers

Which of the following is NOT a product of the pentose phosphate pathway?

<p>Glyceraldehyde-3-phosphate (A)</p> Signup and view all the answers

Which enzyme is responsible for the irreversible conversion of glucose-6-phosphate to glucose in the liver and kidney?

<p>Glucose-6-phosphatase (B)</p> Signup and view all the answers

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