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Question
Biology
Posted 7 months ago
Explain the difference between cytoplasmic division in plants and animals
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Answer from Sia
Posted 7 months ago
Answer
The main difference between cytoplasmic division in plants and animals is the mechanism by which the cytoplasm is divided after mitosis. In animal cells, this process is known as cytokinesis and involves the formation of a cleavage furrow that pinches the cell into two. In plant cells, cytokinesis is achieved through the formation of a cell plate that eventually develops into a new cell wall separating the two daughter cells.
Solution
a
Cleavage furrow formation in animal cells: Animal cells undergo cytokinesis through the constriction of the cell membrane, facilitated by a contractile ring composed of actin and myosin filaments. This ring contracts, creating a cleavage furrow that deepens until the cell is pinched into two separate daughter cells
b
Cell plate formation in plant cells: Plant cells do not form a cleavage furrow due to the presence of a rigid cell wall. Instead, they form a cell plate at the site of division, which is constructed from vesicles derived from the Golgi apparatus. These vesicles fuse at the center of the cell, forming a cell plate that grows outward until it reaches the existing cell walls, thus dividing the cell into two
Key Concept
Cytokinesis differs between animal and plant cells due to structural differences, with animals using a cleavage furrow and plants using a cell plate to divide the cytoplasm.
Explanation
In animal cells, the flexible cell membrane allows for the formation of a cleavage furrow, while the rigid cell wall in plant cells necessitates the construction of a new cell wall via a cell plate to achieve cytoplasmic division.

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