Glycogen Metabolism Quiz
Test your knowledge of glycogen metabolism. Answer each question to the best of your ability.
Which enzyme is responsible for breaking down glycogen into glucose-1-phosphate?
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Glycogen phosphorylase
Glycogen synthase
Phosphofructokinase
Hexokinase
What is the primary storage site for glycogen in the human body?
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Liver and muscle
Kidney
Adipose tissue
Pancreas
Glycogen synthase is activated by which of the following?
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Insulin
Glucagon
Epinephrine
Cortisol
True or False: Glycogen breakdown occurs primarily during fasting or exercise.
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True
False
Which molecule directly activates glycogen phosphorylase in muscle cells?
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AMP
ATP
Glucose
Fructose-6-phosphate
Name one clinical disorder related to abnormal glycogen metabolism.
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Which hormone primarily promotes glycogen breakdown in the liver?
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Glucagon
Insulin
Growth hormone
Aldosterone
Fill in the blank: The branching enzyme in glycogen synthesis creates _____ bonds.
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Which of the following best describes the main function of glycogen in muscle tissue?
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Provide energy during muscle contraction
Maintain blood glucose levels
Store fat
Synthesize amino acids
Briefly describe the role of UDP-glucose in glycogen synthesis.
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