2014年10月31日金曜日

Mitosis

Hello class ;)

Have you ever heard “Mitosis”?
Every cell gets divided and become two identical cells called mitosis. Mitosis is important activity for cell growth and development. Nucleus divided in half in mitosis and two daughter cells are identical to each other.

This is a process of mitosis.


From one cell, two new cells are made.

We used microscopes to observe the processes of each a plant cell and an animal cell.
The purpose of this experiment is
Understand the mechanisms of Mitosis.



1.      Mitosis in plant

In plant cells, cytokinesis occurs as a number of small vesicles fuse at the metaphase plate to form the cell plate. Over time, the cell plate reaches across the cell and joins with the plasma membrane.





  


Mitosis in Animal cell



In animal cells, cytokinesis occurs when a ring of actin and myosin filaments constricts the plasma membrane at the equator. Eventually, the parent cell is divided into two cells.






  

While mitosis remains the same in plants and animals, the process contains similarities and differences between these two types of eukaryotic cells.


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