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

3. Energy & Cell Processes

Introduction to Cell Division

Anatomy & Physiology

3. Energy & Cell Processes

Introduction to Cell Division

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Multiple Choice

What is the primary function of spindle fibers during cell division?

To form the nuclear envelope around the daughter nuclei

To replicate DNA before cell division begins

To provide energy for the cell division process

To separate sister chromatids and ensure they are evenly distributed to the daughter cells

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Verified step by step guidance

Understand the context of cell division: Cell division is a process where a parent cell divides into two or more daughter cells. It involves several stages, including mitosis and cytokinesis.

Identify the role of spindle fibers: Spindle fibers are structures that form during cell division, specifically during mitosis and meiosis. They are composed of microtubules and are crucial for the movement of chromosomes.

Focus on the function of spindle fibers: During mitosis, spindle fibers attach to the centromeres of chromosomes via structures called kinetochores. This attachment is essential for the movement of chromosomes.

Explain the separation of sister chromatids: Spindle fibers help in the alignment of chromosomes at the cell's equatorial plane during metaphase. During anaphase, they pull the sister chromatids apart toward opposite poles of the cell.

Conclude with the distribution of chromatids: The primary function of spindle fibers is to ensure that each daughter cell receives an equal and accurate distribution of chromosomes, which is critical for maintaining genetic stability.