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

Phases of Mitosis

Anatomy & Physiology

3. Energy & Cell Processes

Phases of Mitosis

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Multiple Choice

Which of the following events occurs during prophase?

The nuclear envelope re-forms

The cell membrane pinches inwards

Sister chromatids are pulled apart

Chromosomes condense and become visible

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Verified step by step guidance

Understand the stages of mitosis: Mitosis is divided into several stages: prophase, metaphase, anaphase, and telophase. Each stage has distinct events that occur within the cell.

Identify the key event of prophase: During prophase, the chromatin fibers condense into discrete chromosomes that become visible under a microscope. This is a hallmark of prophase.

Differentiate prophase from other stages: In contrast to prophase, the nuclear envelope re-forms during telophase, the cell membrane pinches inwards during cytokinesis, and sister chromatids are pulled apart during anaphase.

Visualize the process: Imagine the chromatin, which is usually in a less condensed form, starting to coil and condense into visible chromosomes. This is crucial for the subsequent steps of mitosis.

Connect the event to its purpose: The condensation of chromosomes during prophase is essential for their proper alignment and separation during later stages of mitosis, ensuring accurate genetic distribution to daughter cells.