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 result of preventing spindle fibers from forming during mitosis?

The nuclear envelope does not break down.

Cytokinesis occurs prematurely.

Chromosomes fail to align at the metaphase plate.

DNA replication is halted.

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Verified step by step guidance

Understand the role of spindle fibers in mitosis: Spindle fibers are crucial for the movement and alignment of chromosomes during cell division. They form from the centrosomes and attach to the chromosomes at the centromeres.

Identify the stage of mitosis affected: Spindle fibers are primarily involved in the metaphase stage, where they help align chromosomes at the metaphase plate, ensuring each daughter cell receives the correct number of chromosomes.

Consider the consequences of spindle fiber disruption: Without spindle fibers, chromosomes cannot be properly aligned at the metaphase plate, leading to errors in chromosome segregation.

Evaluate the options given: Analyze each option to determine which one directly relates to the function of spindle fibers. The correct consequence of spindle fiber disruption is that chromosomes fail to align at the metaphase plate.

Conclude the impact on mitosis: Recognize that preventing spindle fiber formation disrupts the normal progression of mitosis, specifically affecting chromosome alignment and segregation, which can lead to cell division errors.