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Questions and Answers
Which enzyme is found in most tissues and has a low Km for glucose?
Which enzyme is found in most tissues and has a low Km for glucose?
- Pyruvate kinase
- Glucokinase
- Hexokinase (correct)
- Phosphofructokinase
Which enzyme is found in liver cells and the β cells of the pancreas and is activated by insulin?
Which enzyme is found in liver cells and the β cells of the pancreas and is activated by insulin?
- Glucokinase (correct)
- Phosphofructokinase
- Pyruvate kinase
- Hexokinase
Which phase of glycolysis produces two pyruvates?
Which phase of glycolysis produces two pyruvates?
- First phase
- Third phase
- Second phase (correct)
- Fourth phase
Which compound inhibits glucokinase in liver cells and the β cells of the pancreas?
Which compound inhibits glucokinase in liver cells and the β cells of the pancreas?
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What is the strategy of glycolysis?
What is the strategy of glycolysis?
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Study Notes
Enzymes and Tissues
- Hexokinase is found in most tissues and has a low Km for glucose.
Enzymes and Cellular Locations
- Glucokinase is found in liver cells and the β cells of the pancreas and is activated by insulin.
Glycolysis
- The pyruvate production phase produces two pyruvates.
Regulation of Glucokinase
- Glucokinase in liver cells and the β cells of the pancreas is inhibited by glucose-6-phosphate.
Glycolysis Strategy
- The strategy of glycolysis is to generate ATP from glucose.
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