Table of contents

1. Overview of Cell Biology2h 49m
2. Chemical Components of Cells1h 14m
3. Energy1h 33m
4. DNA, Chromosomes, and Genomes2h 31m
5. DNA to RNA to Protein2h 31m
6. Proteins1h 36m
7. Gene Expression1h 42m
8. Membrane Structure1h 4m
- The Lipid Bilayer
  38m
- Membrane Proteins
  25m
9. Transport Across Membranes1h 52m
10. Anerobic Respiration1h 5m
11. Aerobic Respiration1h 11m
12. Photosynthesis52m
13. Intracellular Protein Transport2h 18m
14. Cell Signaling1h 28m
15. Cytoskeleton and Cell Movement1h 39m
16. Cell Division3h 5m
17. Meiosis and Sexual Reproduction50m
18. Cell Junctions and Tissues48m
19. Stem Cells13m
- Stem Cells
  13m
20. Cancer44m
21. The Immune System1h 6m
22. Techniques in Cell Biology1h 41m

15. Cytoskeleton and Cell Movement

Microtubules and Cell Division

Cell Biology

15. Cytoskeleton and Cell Movement

Microtubules and Cell Division

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Multiple Choice

Which of the following microtubules attach to centromeres?

Kinetochore

Chromosomal

Polar

Astral

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Understand the role of microtubules in cell division. Microtubules are part of the cytoskeleton and play a crucial role in mitosis and meiosis by forming the mitotic spindle.

Identify the different types of microtubules involved in the mitotic spindle: kinetochore, polar, and astral microtubules.

Learn about kinetochore microtubules. These microtubules attach to the kinetochores, which are protein structures located at the centromeres of chromosomes.

Explore the function of kinetochore microtubules. They are responsible for pulling chromosomes apart during cell division by shortening and exerting force on the kinetochores.

Differentiate between the types of microtubules. Kinetochore microtubules directly interact with centromeres, while polar microtubules extend between the poles of the cell, and astral microtubules radiate from the spindle poles to the cell cortex.