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Saturday, August 24, 2013

Cytokinesis - In Animal and Plant Cell

Cytokinesis In Animal Cell: 
         late telophas the astral micro tubules send signals to region of the cell. Where actin and myosin are activated which form contratile ring, followed by cleavage furrow, which deepens towards the centre of the cells dividing the parent cell into two daughter cells.

Cytokinesis In Plant Cell: 
                        At cytokinesis, in plant of contratile ring a membrane structure phragmoplast is formed from vesicles which originate form golgi complex. These vesicles originate actually during metaphase, line up in the centre of the dividing cell, where they fuse to form phragmoplast at the end of telophase. The membrane of vesicles becomes the plasma membrane of daughter cells. The vesicles also contain materials for future cell wall such as precursors of cellulose and protein.

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