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

18. Amino Acids and Proteins

Summary of Protein Structure

GOB Chemistry

18. Amino Acids and Proteins

Summary of Protein Structure

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1:03 minutes

Problem 2c

Textbook Question

Classify each of the following proteins according to its function:
c. casein, milk protein

Verified step by step guidance

Understand the role of proteins in biological systems. Proteins are macromolecules that perform a wide range of functions, including structural support, catalysis, transport, signaling, and storage.

Recognize that casein is a protein found in milk. It is one of the primary proteins responsible for providing nutrition to mammals during early development.

Classify casein based on its function. Casein is primarily a storage protein, as it stores essential amino acids and nutrients for the growth and development of young mammals.

Consider the broader context of storage proteins. Storage proteins are typically found in seeds, eggs, and milk, where they serve as reservoirs of nutrients.

Conclude that casein, as a milk protein, is classified as a storage protein due to its role in providing essential nutrients for growth and development.

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Key Concepts

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

Protein Classification

Proteins can be classified based on their functions, which include structural support, transport, enzymes, and storage. Understanding the role of a protein helps in categorizing it correctly. For instance, some proteins serve as enzymes that catalyze biochemical reactions, while others may provide structural integrity to cells.

Casein Function

Casein is a family of related proteins found in mammalian milk, making up about 80% of the proteins in cow's milk. Its primary function is to provide a source of amino acids for young mammals, as well as to form a gel or curd in the stomach, which aids in nutrient absorption. Additionally, casein plays a role in calcium and phosphate transport.

Nutritional Importance of Milk Proteins

Milk proteins, including casein, are vital for nutrition due to their high biological value, meaning they contain all essential amino acids required for human health. They contribute to muscle repair, growth, and overall bodily functions. Understanding the nutritional role of milk proteins is essential for dietary planning and food science.