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

2. Cell Chemistry & Cell Components

Lipids

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Lipids

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0:45 minutes

Problem 6

Textbook Question

Unsaturated fatsa. have double bonds in their fatty acid chains.b. have fewer fatty acid molecules per fat molecule.c. are associated with greater health risks than are saturated fats.d. are more common in animals than in plants.

Verified step by step guidance

Identify the key characteristics of unsaturated fats, focusing on their chemical structure.

Understand that unsaturated fats contain one or more double bonds in their fatty acid chains, which affects their physical properties.

Compare the health implications of unsaturated fats versus saturated fats, noting that unsaturated fats are generally considered healthier.

Recognize the typical sources of unsaturated fats, which are more commonly found in plants than in animals.

Evaluate each option based on the characteristics and sources of unsaturated fats to determine the correct answer.

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Key Concepts

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

Unsaturated Fats

Unsaturated fats are types of fatty acids that contain one or more double bonds in their hydrocarbon chains. This structure causes them to be liquid at room temperature and is typically found in plant oils, nuts, and fish. They are generally considered healthier than saturated fats, as they can help reduce bad cholesterol levels.

Fatty Acid Structure

Fatty acids are carboxylic acids with long hydrocarbon chains, which can be saturated (no double bonds) or unsaturated (one or more double bonds). The presence of double bonds in unsaturated fatty acids introduces kinks in the chain, affecting their physical properties and how they interact with other molecules, including their role in health.

Health Implications of Fats

The health implications of dietary fats are significant, as unsaturated fats are often linked to lower risks of heart disease compared to saturated fats. While unsaturated fats can improve cholesterol levels and provide essential fatty acids, excessive intake of any fat type can lead to health issues. Understanding these differences is crucial for making informed dietary choices.