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 Heart2h 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

Functional Groups

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Functional Groups

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Multiple Choice

Which of the following examples best describes a unique functional property of the carboxyl group?

Its compounds may be structural isomers with different properties.

Two carboxyl groups can bond covalently to help stabilize protein structure.

It is polar as a result of the electronegative oxygen atom drawing electrons toward it.

The covalent bond between oxygen and hydrogen is so polar that hydrogen ions tend to dissociate from oxygen reversibly.

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Verified step by step guidance

Identify the functional group in question: The carboxyl group, which is represented as -COOH.

Understand the structure of the carboxyl group: It consists of a carbonyl group (C=O) and a hydroxyl group (O-H) attached to the same carbon atom.

Recognize the unique property of the carboxyl group: The bond between the oxygen and hydrogen in the hydroxyl part is highly polar due to the electronegativity of oxygen.

Explain the consequence of this polarity: The polar nature of the O-H bond allows the hydrogen ion (H+) to dissociate from the oxygen, making the carboxyl group acidic.

Conclude with the functional property: The ability of the carboxyl group to release H+ ions reversibly is a key characteristic, contributing to its role in acid-base reactions and its behavior in biological systems.