Podcast
Questions and Answers
What is the substrate concentration at the maximal velocity of an enzyme-catalyzed reaction?
What is the substrate concentration at the maximal velocity of an enzyme-catalyzed reaction?
- The reaction's equilibrium point
- Half the maximal velocity of the reaction (correct)
- Zero velocity of the reaction
- The maximal velocity of the reaction
Uncompetitive reversible inhibition of an enzyme results from inhibitor binding to which of the following?
Uncompetitive reversible inhibition of an enzyme results from inhibitor binding to which of the following?
- The free enzyme only
- The free enzyme and the enzyme-substrate complex (correct)
- The free substrate
- The enzyme-substrate complex only
In a plot of 1/V against 1/[S] for an enzyme-catalyzed reaction, what does the presence of a competitive inhibitor alter?
In a plot of 1/V against 1/[S] for an enzyme-catalyzed reaction, what does the presence of a competitive inhibitor alter?
- The intercept on the 1/[S] axis (correct)
- The intercept on the 1/V axis
- The Vmax
- The curvature of the plot
What is the overall ΔG'° for the two successive reactions converting glucose 1-phosphate to fructose 6-phosphate?
What is the overall ΔG'° for the two successive reactions converting glucose 1-phosphate to fructose 6-phosphate?
Where and under what conditions is acetyl-CoA produced from pyruvate?
Where and under what conditions is acetyl-CoA produced from pyruvate?
What is true about the glycolytic pathway?
What is true about the glycolytic pathway?
What is the primary function of glycogen phosphorylase in the mobilization of glucose from glycogen?
What is the primary function of glycogen phosphorylase in the mobilization of glucose from glycogen?
What is a characteristic of the reaction that converts pyruvate to acetyl-CoA and CO2?
What is a characteristic of the reaction that converts pyruvate to acetyl-CoA and CO2?
Where are triacylglycerols acted upon during the digestion and absorption of dietary lipids?
Where are triacylglycerols acted upon during the digestion and absorption of dietary lipids?
What happens to glucose 6-phosphate in the liver?
What happens to glucose 6-phosphate in the liver?
How many NADH molecules are produced per glucose molecule during glycolysis?
How many NADH molecules are produced per glucose molecule during glycolysis?
What is produced from the addition of inorganic phosphate to ADP during ATP production?
What is produced from the addition of inorganic phosphate to ADP during ATP production?
What is a characteristic of oligomeric proteins?
What is a characteristic of oligomeric proteins?
Which of the following is a type of protein found in red blood cells?
Which of the following is a type of protein found in red blood cells?
What is the role of enzyme catalysts in biochemical reactions?
What is the role of enzyme catalysts in biochemical reactions?
What is a characteristic of allosteric enzymes?
What is a characteristic of allosteric enzymes?
What is the Vmax for an enzyme catalysed reaction?
What is the Vmax for an enzyme catalysed reaction?
What is a characteristic of a subunit in a protein?
What is a characteristic of a subunit in a protein?
