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Multiple Choice
Glycogen is found to only a limited extent in ________.
A
cardiac muscle
B
skeletal muscle
C
liver
D
adipose tissue
Verified step by step guidance
1
Understand the role of glycogen: Glycogen is a polysaccharide that serves as a storage form of glucose in animals. It is primarily stored in tissues that require rapid energy release, such as the liver and muscles.
Review the function of each tissue: Liver stores glycogen to regulate blood glucose levels, skeletal muscle stores glycogen for energy during physical activity, and cardiac muscle has some glycogen for energy during contraction.
Consider adipose tissue: Adipose tissue primarily stores energy in the form of triglycerides (fat), not glycogen. Its role is long-term energy storage rather than rapid energy release.
Compare glycogen storage across tissues: Glycogen is found in significant amounts in the liver and muscles, but only to a limited extent in adipose tissue due to its different energy storage mechanism.
Conclude that adipose tissue is the correct answer: Glycogen is not a primary energy storage molecule in adipose tissue, making it the correct choice for this question.