5 Questions
Which enzyme is found in most tissues and has a low Km for glucose?
Hexokinase
Which enzyme is found in liver cells and the β cells of the pancreas and is activated by insulin?
Glucokinase
Which phase of glycolysis produces two pyruvates?
Second phase
Which compound inhibits glucokinase in liver cells and the β cells of the pancreas?
Fructose 6-phosphate
What is the strategy of glycolysis?
Add phosphoryl groups to glucose
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.
Test your knowledge of glycolysis with this quiz. Explore the pathway from glucose to pyruvates and energy production. Familiarize yourself with the key strategies involved, such as adding phosphoryl groups to glucose and coupling reactions to ATP synthesis.
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