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

During which phase of meiosis does a cell temporarily have two nuclei?

Prophase II

Telophase II

Telophase I

Anaphase I

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Understand the process of meiosis, which consists of two consecutive divisions: Meiosis I and Meiosis II.

Recall that during Telophase I, the cell completes the first division, resulting in two cells, each with a nucleus. However, the question asks about a single cell with two nuclei.

In Meiosis II, the cell undergoes a second division. During Telophase II, the nuclear membranes reform around the separated chromatids, temporarily resulting in a cell with two nuclei before cytokinesis occurs.

Recognize that Prophase II and Anaphase I do not involve the formation of two nuclei within a single cell. Prophase II is the beginning of the second division, and Anaphase I involves the separation of homologous chromosomes.

Conclude that Telophase II is the phase during which a cell temporarily has two nuclei, as the nuclear membranes reform around the chromatids before the cell divides completely.