Podcast
Questions and Answers
Which substance is an inhibitor of Hexokinase?
Which substance is an inhibitor of Hexokinase?
- NADH
- AMP
- ADP
- Fructose-6-phosphate (correct)
What is an activator for Pyruvate kinase?
What is an activator for Pyruvate kinase?
- Fructose-1,6-bisphosphate (correct)
- Acetyl-CoA
- ATP
- Citrate
Fructose-2,6-bisphosphate is an activator for which enzyme?
Fructose-2,6-bisphosphate is an activator for which enzyme?
- Lactate dehydrogenase
- Hexokinase
- Pyruvate kinase
- PFK-1 (correct)
Which of the following is NOT an inhibitor of PFK-1?
Which of the following is NOT an inhibitor of PFK-1?
Which enzyme is inhibited by Acetyl-CoA?
Which enzyme is inhibited by Acetyl-CoA?
Which inhibitor is specific to Hexokinase?
Which inhibitor is specific to Hexokinase?
Which of the following combinations contains only activators for Pyruvate kinase?
Which of the following combinations contains only activators for Pyruvate kinase?
Which substance inhibits both PFK-1 and Pyruvate kinase?
Which substance inhibits both PFK-1 and Pyruvate kinase?
Identifying the unique activator for PFK-1, which of the following is it?
Identifying the unique activator for PFK-1, which of the following is it?
Which of the following substances is an activator and NOT an inhibitor for any enzyme listed?
Which of the following substances is an activator and NOT an inhibitor for any enzyme listed?
Flashcards
Hexokinase activator
Hexokinase activator
AMP, ADP, inorganic phosphate ($P_i$), and Fructose-6-phosphate activate Hexokinase.
Hexokinase inhibitor
Hexokinase inhibitor
Glucose-6-phosphate inhibits Hexokinase.
PFK-1 activator
PFK-1 activator
Fructose-2,6-bisphosphate activates PFK-1.
PFK-1 inhibitor
PFK-1 inhibitor
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Pyruvate Kinase inhibitor
Pyruvate Kinase inhibitor
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Hexokinase activator
Hexokinase activator
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PFK-1 inhibitor
PFK-1 inhibitor
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PFK-1 activator
PFK-1 activator
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Pyruvate kinase inhibitor
Pyruvate kinase inhibitor
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Hexokinase inhibitor
Hexokinase inhibitor
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Study Notes
Enzyme Activators and Inhibitors
-
Hexokinase:
- Activators: AMP, ADP, Pi, Fructose-6-phosphate
- Inhibitor: Glucose-6-phosphate
-
PFK-1:
- Activator: Fructose-2,6-bisphosphate
- Inhibitors: NADH, Citrate, ATP
-
Pyruvate Kinase:
- Activators: AMP, Fructose-1,6-bisphosphate
- Inhibitors: ATP, Acetyl-CoA
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Description
Test your knowledge on enzyme activators and inhibitors, focusing on Hexokinase, PFK-1, and Pyruvate Kinase. This quiz covers the key compounds that activate or inhibit these enzymes, helping you understand metabolic regulation better.
