Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

3. Energy & Cell Processes

Enzymes

Anatomy & Physiology

3. Energy & Cell Processes

Enzymes

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Multiple Choice

Which of the following enzymes aids in digesting polypeptides into shorter peptides and amino acids?

Pepsin

Amylase

Lipase

Lactase

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Verified step by step guidance

Understand the role of enzymes in digestion: Enzymes are biological catalysts that speed up chemical reactions in the body, including the breakdown of food molecules during digestion.

Identify the function of each enzyme listed: Pepsin, Amylase, Lipase, and Lactase. Pepsin is known for breaking down proteins into smaller peptides.

Focus on the digestion of polypeptides: Polypeptides are chains of amino acids, and the enzyme responsible for breaking them down into shorter peptides and amino acids is crucial in protein digestion.

Recall the specific function of Pepsin: Pepsin is an enzyme that specifically targets proteins, breaking them down into smaller peptides in the stomach, which is the first step in protein digestion.

Eliminate the other options: Amylase breaks down carbohydrates, Lipase breaks down fats, and Lactase breaks down lactose. None of these enzymes are involved in the digestion of polypeptides into peptides and amino acids.