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 difference between simple carbohydrates and complex carbohydrates?

Simple carbohydrates are always insoluble in water, whereas complex carbohydrates are always soluble.

Simple carbohydrates consist of one or two sugar units, while complex carbohydrates are composed of many sugar units linked together.

Simple carbohydrates are only found in animal products, while complex carbohydrates are only found in plants.

Simple carbohydrates provide more energy per gram than complex carbohydrates.

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Verified step by step guidance

Understand the key terms: Simple carbohydrates are sugars that consist of one or two sugar units (monosaccharides or disaccharides), while complex carbohydrates are polysaccharides made up of many sugar units linked together.

Eliminate incorrect options: The statement 'Simple carbohydrates are always insoluble in water, whereas complex carbohydrates are always soluble' is incorrect because solubility depends on the specific carbohydrate and not its classification as simple or complex.

Evaluate the second option: 'Simple carbohydrates consist of one or two sugar units, while complex carbohydrates are composed of many sugar units linked together.' This aligns with the biochemical definition of simple and complex carbohydrates.

Analyze the third option: 'Simple carbohydrates are only found in animal products, while complex carbohydrates are only found in plants.' This is incorrect because simple carbohydrates (e.g., glucose, fructose) and complex carbohydrates (e.g., starch, glycogen) are found in both plants and animals.

Review the fourth option: 'Simple carbohydrates provide more energy per gram than complex carbohydrates.' This is incorrect because both simple and complex carbohydrates provide the same energy per gram (approximately 4 kcal/g).