Podcast
Questions and Answers
Which phase of glycolysis is responsible for generating ATP?
Which phase of glycolysis is responsible for generating ATP?
- Both phases generate ATP
- Phase II: ATP-generating phase (correct)
- Neither phase generates ATP
- Phase I: Preparative Phase
Which enzyme is responsible for the first reaction of glycolysis?
Which enzyme is responsible for the first reaction of glycolysis?
- Triose Phosphate Isomerase
- Hexokinase (correct)
- Aldolase
- Enolase
Which step(s) of glycolysis are irreversible?
Which step(s) of glycolysis are irreversible?
- Reaction 3
- Reaction 1
- Reaction 2
- Both Reaction 1 and Reaction 2 (correct)
What is the role of Mg2+ cofactor in glycolysis?
What is the role of Mg2+ cofactor in glycolysis?
Which step of glycolysis requires an input of energy?
Which step of glycolysis requires an input of energy?
Which step of glycolysis produces energy directly?
Which step of glycolysis produces energy directly?
What is the net energy yield from a cycle of glycolysis?
What is the net energy yield from a cycle of glycolysis?
Which of the following reactions is the rate-limiting and committing step of glycolysis?
Which of the following reactions is the rate-limiting and committing step of glycolysis?
What is the standard Gibbs free energy change ($\Delta G^0$) for Reaction 4 in glycolysis?
What is the standard Gibbs free energy change ($\Delta G^0$) for Reaction 4 in glycolysis?
Which enzyme catalyzes Reaction 9 in glycolysis?
Which enzyme catalyzes Reaction 9 in glycolysis?
How many ATP molecules are required during the preparatory phase of glycolysis?
How many ATP molecules are required during the preparatory phase of glycolysis?
What is the net ATP production per glucose molecule in glycolysis through substrate-level phosphorylation?
What is the net ATP production per glucose molecule in glycolysis through substrate-level phosphorylation?
What happens to pyruvate under aerobic conditions?
What happens to pyruvate under aerobic conditions?
Which of the following reactions is NOT one of the three irreversible reactions in glycolysis?
Which of the following reactions is NOT one of the three irreversible reactions in glycolysis?
Which enzyme is responsible for the carboxylation of pyruvate in the gluconeogenesis pathway?
Which enzyme is responsible for the carboxylation of pyruvate in the gluconeogenesis pathway?
Which enzyme is responsible for the conversion of fructose 1,6-bisphosphate to fructose 6-phosphate in the gluconeogenesis pathway?
Which enzyme is responsible for the conversion of fructose 1,6-bisphosphate to fructose 6-phosphate in the gluconeogenesis pathway?
Which enzyme is responsible for the conversion of glucose 6-phosphate to glucose in the gluconeogenesis pathway?
Which enzyme is responsible for the conversion of glucose 6-phosphate to glucose in the gluconeogenesis pathway?
Which of the following is NOT a precursor for gluconeogenesis?
Which of the following is NOT a precursor for gluconeogenesis?
Which of the following is a glucogenic amino acid?
Which of the following is a glucogenic amino acid?
What is the cellular location of pyruvate carboxylase?
What is the cellular location of pyruvate carboxylase?
What is the main symptom of inherited disorders of gluconeogenesis?
What is the main symptom of inherited disorders of gluconeogenesis?
Which shuttle system is used when the starting substrate is alanine?
Which shuttle system is used when the starting substrate is alanine?
What is the product of the malate shuttle once it crosses the inner mitochondrial membrane?
What is the product of the malate shuttle once it crosses the inner mitochondrial membrane?
What is malate converted back to in the cytosol?
What is malate converted back to in the cytosol?
What is the starting substrate for the shuttle for lactate?
What is the starting substrate for the shuttle for lactate?
What is pyruvate converted to in the mitochondria during the shuttle for lactate?
What is pyruvate converted to in the mitochondria during the shuttle for lactate?
What is phosphoenolpyruvate (PEP) shuttled out of the mitochondria to continue with gluconeogenesis?
What is phosphoenolpyruvate (PEP) shuttled out of the mitochondria to continue with gluconeogenesis?
What can glycerol be converted to in gluconeogenesis?
What can glycerol be converted to in gluconeogenesis?
Which process is shown in the image labeled 'Glycolysis & Gluconeogenesis'?
Which process is shown in the image labeled 'Glycolysis & Gluconeogenesis'?
Which shuttle system is used when the starting substrate is glucose?
Which shuttle system is used when the starting substrate is glucose?
