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 occur during prophase?

Sister chromatids are pulled apart to opposite poles.

The nuclear envelope re-forms around each set of chromosomes.

The cell membrane pinches in to divide the cytoplasm.

Chromosomes condense and become visible.

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Verified step by step guidance

Begin by understanding the stages of mitosis, which include prophase, metaphase, anaphase, and telophase. Each stage has distinct events that occur within the cell.

Focus on prophase, the first stage of mitosis. During prophase, several key events occur that prepare the cell for division.

Recognize that during prophase, the chromatin fibers condense into visible chromosomes. This is a crucial step as it allows the chromosomes to be easily segregated later in mitosis.

Understand that the nuclear envelope begins to break down during prophase, allowing the spindle fibers to interact with the chromosomes.

Note that the other events listed, such as sister chromatids being pulled apart, the nuclear envelope re-forming, and the cell membrane pinching in, occur in later stages of mitosis, not during prophase.