Multiple Choice
What is the primary difference between cytokinesis in plant and animal cells?
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11. Cell Division
Cytokinesis
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How does cytokinesis differ in animal and plant cells?
A
In both animal and plant cells, cytokinesis occurs through the formation of a cleavage furrow.
B
In both animal and plant cells, cytokinesis occurs through the formation of a cell plate.
C
In animal cells, cytokinesis involves the formation of a cell plate, while in plant cells, it involves the formation of a cleavage furrow.
D
In animal cells, cytokinesis occurs through the formation of a cleavage furrow, while in plant cells, it occurs through the formation of a cell plate.
Verified step by step guidance1
Understand that cytokinesis is the process of cytoplasmic division that follows the end of mitosis, resulting in two daughter cells.
In animal cells, cytokinesis is characterized by the formation of a cleavage furrow. This is a contractile ring composed of actin and myosin filaments that pinches the cell membrane inward, eventually splitting the cell into two.
In plant cells, cytokinesis occurs differently due to the presence of a rigid cell wall. Instead of a cleavage furrow, a cell plate forms at the center of the cell.
The cell plate in plant cells is formed by the fusion of vesicles derived from the Golgi apparatus. These vesicles coalesce at the center of the cell, gradually developing into a new cell wall that separates the two daughter cells.
Recognize that the key difference between animal and plant cell cytokinesis is the mechanism: animal cells use a cleavage furrow, while plant cells form a cell plate.
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