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

4. Tissues & Histology

Introduction to Tissues & Histology

Anatomy & Physiology

4. Tissues & Histology

Introduction to Tissues & Histology

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Multiple Choice

Which histone protein helps stabilize the solenoid structure in chromatin?

Histone H4

Histone H1

Histone H2A

Histone H3

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Verified step by step guidance

Understand the role of histone proteins in chromatin structure. Histones are proteins that help package DNA into a compact, dense shape, allowing it to fit inside the nucleus of a cell.

Recognize the different types of histone proteins: H1, H2A, H2B, H3, and H4. Each has a specific role in the organization of chromatin.

Learn about the nucleosome, which is the basic unit of chromatin. It consists of DNA wrapped around a core of histone proteins (H2A, H2B, H3, and H4).

Identify the role of Histone H1. Unlike the core histones, H1 is not part of the nucleosome core. Instead, it binds to the linker DNA between nucleosomes, helping to stabilize the higher-order structure known as the solenoid or 30 nm fiber.

Conclude that Histone H1 is the protein responsible for stabilizing the solenoid structure in chromatin, as it helps compact the nucleosomes into a more organized and stable form.