Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

20. Carbohydrates

Classification of Carbohydrates

GOB Chemistry

20. Carbohydrates

Classification of Carbohydrates

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1:25 minutes

Problem 3a

Textbook Question

Identify the following as characteristics of soluble or insoluble fiber:
(a) can mix with water

Verified step by step guidance

Understand the concept of soluble and insoluble fiber: Soluble fiber dissolves in water and forms a gel-like substance, while insoluble fiber does not dissolve in water and helps with the movement of material through the digestive system.

Analyze the characteristic given in the problem: 'can mix with water.'

Relate the characteristic to the definition of soluble fiber: Since soluble fiber can dissolve in water, it is able to mix with water.

Conclude that the characteristic 'can mix with water' aligns with the properties of soluble fiber.

Remember that insoluble fiber does not mix with water, so this characteristic cannot be associated with insoluble fiber.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Soluble Fiber

Soluble fiber is a type of dietary fiber that dissolves in water to form a gel-like substance. It is found in foods such as oats, beans, and fruits. This characteristic allows soluble fiber to help regulate blood sugar levels and lower cholesterol, making it beneficial for heart health.

Insoluble Fiber

Insoluble fiber does not dissolve in water and remains intact as it passes through the digestive system. It is primarily found in whole grains, nuts, and vegetables. This type of fiber adds bulk to stool and aids in digestion, helping to prevent constipation and promote regularity.

Dietary Fiber

Dietary fiber refers to the indigestible parts of plant foods that are essential for maintaining digestive health. It is categorized into soluble and insoluble fiber, each playing distinct roles in the body. A balanced intake of both types is important for overall health, aiding in digestion, weight management, and reducing the risk of chronic diseases.

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Classify the following carbohydrates as a monosaccharide, disaccharide, oligosaccharide, or polysaccharide:

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Identify the following as containing soluble or insoluble fiber:

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Textbook Question

Classify each of the following monosaccharides by the type of carbonyl group and the number of carbons (for example, a monosaccharide with an aldehyde and three carbons is an aldotriose).

(a)

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How are the following pairs of carbohydrates, shown in a Fischer projection, related to each other? Are they structural isomers, enantiomers, diastereomers, or epimers?

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Name four important monosaccharides and tell where each occurs in nature.

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