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 purpose of spindle fibers during mitosis?

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

To initiate cytokinesis by forming the cleavage furrow

To replicate DNA before cell division

To form the nuclear envelope around the chromosomes

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Verified step by step guidance

Understand the context of mitosis: Mitosis is a process of cell division that results in two genetically identical daughter cells from a single parent cell. It involves several stages: prophase, metaphase, anaphase, and telophase.

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

Focus on the function of spindle fibers during anaphase: During anaphase, spindle fibers attach to the centromeres of sister chromatids and pull them apart toward opposite poles of the cell. This ensures that each daughter cell receives an identical set of chromosomes.

Differentiate between the options: Evaluate each option based on the role of spindle fibers. The correct function is to separate sister chromatids and ensure they are evenly distributed to the daughter cells.

Clarify misconceptions: Spindle fibers do not initiate cytokinesis, replicate DNA, or form the nuclear envelope. Their primary purpose is related to chromosome segregation during mitosis.