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

1. Introduction to Biochemistry

Carbohydrates

Biochemistry

1. Introduction to Biochemistry

Carbohydrates

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Multiple Choice

Which of the following best describes the primary roles of polysaccharides in animals and plants?

Both animals and plants use polysaccharides exclusively for energy storage.

In animals, polysaccharides are mainly used for structural support, while in plants, they are primarily used for energy storage.

Polysaccharides have no significant role in either animals or plants.

In animals, polysaccharides like glycogen serve as energy storage, while in plants, polysaccharides like cellulose provide structural support.

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Verified step by step guidance

Step 1: Understand the definition of polysaccharides. Polysaccharides are long chains of monosaccharides linked by glycosidic bonds. They serve various functions in living organisms, including energy storage and structural support.

Step 2: Identify the primary polysaccharides in animals and plants. In animals, glycogen is the main polysaccharide used for energy storage. In plants, cellulose is the primary polysaccharide used for structural support, while starch serves as an energy storage molecule.

Step 3: Analyze the roles of glycogen and cellulose. Glycogen is stored in the liver and muscles of animals and can be broken down into glucose for energy. Cellulose, on the other hand, forms the rigid cell walls in plants, providing structural integrity.

Step 4: Compare the functions of polysaccharides in animals and plants. In animals, polysaccharides like glycogen are primarily involved in energy storage. In plants, polysaccharides like cellulose are mainly used for structural support, while starch is used for energy storage.

Step 5: Conclude that the correct answer is: 'In animals, polysaccharides like glycogen serve as energy storage, while in plants, polysaccharides like cellulose provide structural support.' This aligns with the distinct roles of polysaccharides in these organisms.