Table of contents

1. Introduction to Biochemistry4h 34m
2. Water3h 23m
3. Amino Acids8h 10m
4. Protein Structure10h 4m
5. Protein Techniques14h 5m
6. Enzymes and Enzyme Kinetics13h 38m
7. Enzyme Inhibition and Regulation 8h 42m
8. Protein Function 9h 41m
9. Carbohydrates7h 49m
10. Lipids5h 49m
11. Biological Membranes and Transport 6h 37m
12. Biosignaling9h 45m
Review 1: Nucleic Acids, Lipids, & Membranes2h 47m
Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway3h 12m
Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism2h 26m
Review 4: Amino Acid Oxidation, Oxidative Phosphorylation, & Photophosphorylation1h 48m

Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism

Glycogen Metabolism 1

Biochemistry

Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism

Glycogen Metabolism 1

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Multiple Choice

Which of the following best describes the structure of stored glycogen in liver and muscle cells?

Glycogen is stored as soluble monomers in the cytosol.

Glycogen is stored as granules in the cytoplasm.

Glycogen is stored as crystalline pigments in the nucleus.

Glycogen is stored as membrane-bound vesicles.

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Verified step by step guidance

Understand the role of glycogen: Glycogen is a polysaccharide that serves as a storage form of glucose in animals, primarily in liver and muscle cells. It is used to maintain blood glucose levels and provide energy during physical activity.

Review the structure of glycogen: Glycogen is a highly branched polymer of glucose molecules. Its structure allows for rapid mobilization of glucose when needed.

Consider the cellular location of glycogen storage: Glycogen is stored in the cytoplasm of cells, specifically as granules. These granules contain enzymes necessary for glycogen synthesis and breakdown.

Eliminate incorrect options: Glycogen is not stored as soluble monomers, crystalline pigments, or membrane-bound vesicles. These descriptions do not match the biochemical properties or storage mechanism of glycogen.

Conclude with the correct description: Glycogen is stored as granules in the cytoplasm of liver and muscle cells, which is the correct answer based on its biochemical storage mechanism.