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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 of the following statements is true of histones?

Histones are lipids that form the bilayer of cell membranes.

Histones are enzymes that catalyze the breakdown of carbohydrates.

Histones are proteins that help package DNA into chromatin.

Histones are nucleic acids that store genetic information.

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Verified step by step guidance

Begin by understanding what histones are. Histones are a type of protein found in eukaryotic cells.

Histones play a crucial role in the structure of chromatin, which is the complex of DNA and protein found in the nucleus of cells.

These proteins help package DNA into a compact, dense shape, allowing it to fit within the cell nucleus. This packaging is essential for DNA stability and regulation.

Histones are not lipids, enzymes, or nucleic acids. They do not form cell membranes, catalyze reactions, or store genetic information directly.

The correct statement is: Histones are proteins that help package DNA into chromatin, facilitating the organization and regulation of genetic material.