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 Heart2h 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

One event occurring during prophase is __________.

the synthesis of a new nuclear envelope

the alignment of chromosomes in a single plane

cytokinesis

the division of the centromere

the beginning of the formation of a spindle apparatus

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Verified step by step guidance

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

Identify the key events of prophase: During prophase, the chromatin condenses into visible chromosomes, and the nuclear envelope begins to break down. The spindle apparatus starts to form, which is crucial for chromosome movement.

Differentiate between the options: Analyze each option provided in the problem. The synthesis of a new nuclear envelope occurs during telophase, not prophase. The alignment of chromosomes in a single plane happens during metaphase. Cytokinesis is the division of the cytoplasm, occurring after mitosis. The division of the centromere occurs during anaphase.

Focus on the spindle apparatus: The formation of the spindle apparatus is a key event in prophase. It involves the assembly of microtubules that will eventually attach to chromosomes and help in their movement.

Conclude with the correct event: Based on the analysis, the beginning of the formation of a spindle apparatus is the correct event occurring during prophase.