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Multiple Choice
The liver converts excess energy-yielding nutrients into _____ for storage.
A
amino acids
B
ketone bodies
C
glycogen
D
glucose
Verified step by step guidance
1
Understand the role of the liver in energy metabolism: The liver is a central organ in maintaining energy homeostasis. It processes excess energy-yielding nutrients and stores them for later use.
Identify the types of energy-yielding nutrients: These include carbohydrates, fats, and proteins. The liver primarily focuses on carbohydrates for immediate energy storage.
Learn the storage form of carbohydrates: Excess glucose (a carbohydrate) is converted into glycogen, a polysaccharide, for storage in the liver and muscles.
Understand the biochemical process: The liver converts glucose into glycogen through a process called glycogenesis. This involves enzymes such as glycogen synthase and branching enzyme.
Clarify why other options are incorrect: Amino acids are used for protein synthesis or converted into glucose via gluconeogenesis, not stored directly. Ketone bodies are produced during fasting or low carbohydrate intake, not for storage. Glucose is the precursor molecule, not the storage form.