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Questions and Answers
What is gluconeogenesis?
What is gluconeogenesis?
- A metabolic pathway that breaks down glucose to produce energy
- A process of converting glucose into glycogen for storage
- A process of converting fructose into glucose for energy production
- A metabolic pathway that results in the generation of glucose from non-carbohydrate carbon substrates (correct)
What are the precursors for gluconeogenesis?
What are the precursors for gluconeogenesis?
- Starch, cellulose, and chitin
- Lactate, glycerol, and glucogenic amino acids (correct)
- Fructose, sucrose, and maltose
- Glucose, fructose, and galactose
How does the cost of glucose production compare to glycolysis?
How does the cost of glucose production compare to glycolysis?
- The production of glucose is energy efficient
- The production of glucose requires less energy than glycolysis
- The production of glucose has no energy cost
- The production of glucose is energy expensive (correct)
In which organisms does gluconeogenesis occur?
In which organisms does gluconeogenesis occur?
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What is the main difference between gluconeogenesis and glycolysis?
What is the main difference between gluconeogenesis and glycolysis?
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Study Notes
Gluconeogenesis in Carbohydrate Metabolism
- Learning objectives include defining gluconeogenesis, listing its precursors, explaining its details, describing the lactic acid cycle, understanding hormonal control of glycogen, and differentiating glycogen metabolism in the liver and muscle.
- Gluconeogenesis is the metabolic pathway that generates glucose from non-carbohydrate carbon substrates like lactate, glycerol, and glucogenic amino acids.
- The gluconeogenesis pathway is similar to the reverse of glycolysis but differs at critical sites. It occurs in all animals, plants, fungi, and microbes.
- The production of glucose in gluconeogenesis is energy expensive, requiring 2 pyruvate, 4 ATP, 2 GTP, and 2 NADH to produce glucose, 4 ADP, 2 GDP, 2 NAD+, and 6 Pi.
- Glucose production is necessary due to physiological conditions favoring one pathway over the other, and vice versa.
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Description
Test your knowledge of carbohydrate metabolism with this quiz on gluconeogenesis. Learn about the process, precursors, and details of gluconeogenesis, as well as the lactic acid cycle. Prepared by Mrs. Anjum Khatoon & Dr. Nida, this quiz will help you master the essential concepts of biochemistry in BIOC 210.
