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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Problem 17

Textbook Question

Which of the following is not a phase of mitosis?
a. Interphase
b. Prophase
c. Anaphase
d. Metaphase

Verified step by step guidance

Step 1: Begin by understanding the process of mitosis. Mitosis is the division of a cell's nucleus into two identical nuclei, and it consists of specific phases: prophase, metaphase, anaphase, and telophase.

Step 2: Recognize that interphase is not part of mitosis. Interphase is the phase where the cell prepares for division by growing and replicating its DNA, but it occurs before mitosis begins.

Step 3: Review the phases of mitosis: Prophase involves the condensation of chromatin into chromosomes and the breakdown of the nuclear envelope. Metaphase is when chromosomes align at the cell's equatorial plane. Anaphase is the separation of sister chromatids toward opposite poles.

Step 4: Compare the options provided in the question. Identify which phase does not belong to the process of mitosis based on the explanation above.

Step 5: Conclude that interphase is not a phase of mitosis, as it occurs prior to mitosis and is part of the cell cycle rather than the mitotic process itself.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Mitosis

Mitosis is a process of cell division that results in two genetically identical daughter cells from a single parent cell. It consists of several distinct phases: prophase, metaphase, anaphase, and telophase. Each phase plays a critical role in ensuring that the chromosomes are accurately replicated and distributed to the daughter cells.

Interphase

Interphase is the phase of the cell cycle that occurs before mitosis and is not considered a part of mitosis itself. It is divided into three sub-phases: G1 (cell growth), S (DNA synthesis), and G2 (preparation for mitosis). During interphase, the cell prepares for division by replicating its DNA and increasing its organelle count.

Phases of Mitosis

The phases of mitosis include prophase, metaphase, anaphase, and telophase. Each phase has specific events: prophase involves chromatin condensing into chromosomes, metaphase aligns chromosomes at the cell's equator, anaphase separates sister chromatids, and telophase reforms the nuclear envelope around the separated sets of chromosomes. Understanding these phases is essential for recognizing the complete process of cell division.