10 Questions
What is the primary carbohydrate stored in the liver and muscle cells of animals?
Glucose
What happens when blood glucose levels are sufficiently high?
Glycogenesis takes place
What is the process of glycogen degradation called?
Glycogenolysis
What stimulates glycogenolysis in the liver?
Glucagon
Where is glycogen highly concentrated in animals?
Liver
What are the three regularly used forms of energy reserves in the human body?
Creatine phosphate, glycogen, and triglyceride stores in adipose tissue (body fat)
Where is glycogen primarily made and stored in the human body?
Liver and skeletal muscle cells
What percentage of the liver's fresh weight can glycogen make up in the human body?
5–6%
In the skeletal muscle of an adult weighing 70 kg, approximately how many grams of glycogen are stored?
Roughly 400 grams
What is the main storage form of glucose in the human body?
Glycogen
Study Notes
Glycogen Storage and Function
- The primary carbohydrate stored in the liver and muscle cells of animals is glycogen.
Regulation of Blood Glucose Levels
- When blood glucose levels are sufficiently high, excess glucose is stored as glycogen.
Glycogen Degradation
- The process of glycogen degradation is called glycogenolysis.
- Glucagon stimulates glycogenolysis in the liver.
Glycogen Distribution and Concentration
- Glycogen is highly concentrated in the liver and muscle cells of animals.
Energy Reserves in the Human Body
- The three regularly used forms of energy reserves in the human body are glycogen, triglycerides, and protein.
Glycogen Synthesis and Storage
- Glycogen is primarily made and stored in the liver and muscle cells of the human body.
- Glycogen can make up up to 10% of the liver's fresh weight in the human body.
Glycogen Storage in Skeletal Muscle
- In the skeletal muscle of an adult weighing 70 kg, approximately 300-400 grams of glycogen are stored.
Main Storage Form of Glucose
- The main storage form of glucose in the human body is glycogen.
Test your knowledge of glycogen metabolism with this quiz. Explore the process of glycogenesis, the formation of glycogen from glucose, and its role in storing carbohydrates in the liver and muscle cells. Brush up on how increased carbohydrate intake affects glycogen storage and understand when glycogenesis occurs.
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