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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

What occurs during the G1 phase of the cell cycle, which is part of interphase preceding mitosis?

Sister chromatids are pulled apart to opposite poles of the cell.

The cell grows and synthesizes proteins necessary for DNA replication.

Chromosomes align at the cell's equatorial plane.

The nuclear envelope breaks down and spindle fibers form.

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Verified step by step guidance

Understand that the cell cycle consists of interphase and mitotic phase. Interphase is further divided into G1, S, and G2 phases.

Recognize that the G1 phase is the first stage of interphase, where the cell grows and carries out normal metabolic processes.

During the G1 phase, the cell increases in size and synthesizes various proteins and organelles necessary for the subsequent phases of the cell cycle.

The synthesis of proteins during the G1 phase is crucial for preparing the cell for DNA replication, which occurs in the S phase.

Note that the G1 phase is distinct from mitosis, where processes like chromosome alignment and nuclear envelope breakdown occur.