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

Biological Membranes

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Biological Membranes

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Multiple Choice

Which of these is the double membrane that encloses the nucleus?

Peritoneum

Pleura

Pericardium

Nuclear envelope

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Verified step by step guidance

Understand the function of the nucleus in a cell: The nucleus is the organelle that houses the cell's genetic material (DNA) and is responsible for controlling the cell's activities.

Identify the structure that encloses the nucleus: The nuclear envelope is the double membrane that surrounds the nucleus, separating its contents from the cytoplasm.

Differentiate between the nuclear envelope and other membranes: The nuclear envelope is unique to the nucleus, whereas membranes like the peritoneum, pleura, and pericardium are associated with other organs and systems in the body.

Recognize the components of the nuclear envelope: It consists of two lipid bilayers, the inner and outer membranes, which are punctuated by nuclear pores that regulate the passage of molecules between the nucleus and cytoplasm.

Relate the nuclear envelope to its function: The double membrane structure provides protection and compartmentalization for the genetic material, ensuring that processes such as transcription and replication occur in a controlled environment.