Question

In plant cells, the cytokinesis is __________

Answer 1

Answer:

Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. It occurs concurrently with two types of nuclear division called mitosis and meiosis, which occur in animal cells

Answer 2

CYTOKINESIS IN PLANT CELLS

Plants undergo a process of cytokinesis, with the difference being the rigidity of their cells. Plants are surrounded by a secondary layer, the cell wall. This extracellular structure is responsible for helping give plants their form, and must be established when a cell divides. To do this, plants use microtubule spindle structures knowns as phragmoplasts. The phragmoplasts carry vesicles of cell wall material to the new cell plate. These materials, like cellulose, interact to form a complex and strong matrix. After the plate divides the cell, the plasma membrane will seal off, and the two cells will be separated.

The phragmoplast, like the centrosomes of animal cells, organize the microtubules and direct their growth and reduction. The components for the new cell plate are created and packaged by the endoplasmic reticulum and Golgi apparatus. They are then sent to the phragmoplast, which builds the cell plate from the middle outward. This can be seen in the graphic above. The cell plate will start in the middle, and as it is completed, the phragmoplast microtubules move outward, until they reach the current plasm membrane. This membrane will be cut, and the cell wall will be fully connected between all the surrounding cells. Between the two cells, trapped endoplamic reticulum will create plasmodesmata, which are like gap junctions and allow molecules to pass from cell to cell. It is theorized that plants may use these plasmodesmata as a form of cellular communication.

The process can be understood with help of attached picture .

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