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

In which phase of the cell cycle does the cell prepare for mitosis by replicating its DNA?

M phase

S phase

G1 phase

G2 phase

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Verified step by step guidance

Understand the cell cycle: The cell cycle consists of several phases that a cell goes through to divide and replicate. These phases include G1, S, G2, and M.

Identify the purpose of each phase: The G1 phase is where the cell grows and performs its normal functions. The S phase is where DNA replication occurs. The G2 phase is where the cell prepares for mitosis, and the M phase is where mitosis and cytokinesis occur.

Focus on DNA replication: DNA replication is a crucial step that must occur before a cell can divide. This ensures that each daughter cell receives an identical set of chromosomes.

Determine the phase for DNA replication: The S phase is specifically dedicated to the replication of DNA. During this phase, the cell synthesizes a complete copy of its DNA.

Conclude the preparation for mitosis: After DNA replication in the S phase, the cell enters the G2 phase, where it continues to grow and prepares for the actual process of mitosis in the M phase.