1. Introduction to Anatomy & Physiology5h 40m
2. Cell Chemistry & Cell Components12h 37m
3. Energy & Cell Processes10h 7m
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 Blood1h 22m
18. The Heart1h 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 Balance Coming soon
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity Coming soon

3. Energy & Cell Processes

Introduction to Cell Division

Anatomy & Physiology

3. Energy & Cell Processes

Introduction to Cell Division

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2:11 minutes

Problem 3b

Textbook Question

Which of the following is not a function of mitosis in humans? a. repair of wounds b. growth c. production of gametes from diploid cells d. replacement of lost or damaged cells

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Identify the primary purpose of mitosis in human cells, which is to divide a single cell into two genetically identical daughter cells.

Understand that mitosis is crucial for processes such as growth, where increased cell numbers are required, and for repair and replacement of cells, where damaged or dead cells need to be replaced.

Recognize that gametes (sperm and eggs) are produced through a different process called meiosis, not mitosis. Meiosis involves reducing the chromosome number by half to produce haploid cells, which is essential for sexual reproduction.

Review each option and determine whether it aligns with the function of mitosis: repair of wounds and replacement of cells involve cell division for tissue maintenance and healing, both of which are functions of mitosis.

Conclude that the production of gametes from diploid cells is not a function of mitosis but rather of meiosis, making option 'c' the correct answer.

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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 type of cell division that results in two genetically identical daughter cells from a single parent cell. It is essential for growth, tissue repair, and asexual reproduction in multicellular organisms. Mitosis involves several stages: prophase, metaphase, anaphase, and telophase, culminating in cytokinesis.

Functions of Mitosis

The primary functions of mitosis include growth, repair of tissues, and replacement of lost or damaged cells. These processes are vital for maintaining healthy tissue and ensuring that organisms can develop and recover from injuries. Mitosis does not involve the production of gametes, which is a function of meiosis.

Meiosis

Meiosis is a specialized form of cell division that reduces the chromosome number by half, resulting in four non-identical gametes. It is crucial for sexual reproduction, allowing for genetic diversity through the combination of genetic material from two parents. Unlike mitosis, meiosis includes two rounds of division and is responsible for producing sperm and eggs.