Multiple Choice
How many cells are created from cytokinesis following mitosis and meiosis?
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11. Cell Division
Cytokinesis
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What is the main difference between cytokinesis in plant and animal cells?
A
Animal cells use chloroplasts for cytokinesis, while plant cells do not.
B
Animal cells form a cell plate, while plant cells form a cleavage furrow.
C
Plant cells undergo cytokinesis through binary fission, while animal cells do not.
D
Plant cells form a cell plate, while animal cells form a cleavage furrow.
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.
Recognize that in animal cells, cytokinesis occurs through the formation of a cleavage furrow. This is a contractile ring composed of actin and myosin filaments that pinches the cell membrane inward until the cell is divided into two.
In contrast, plant cells have a rigid cell wall that prevents the formation of a cleavage furrow. Instead, plant cells form a cell plate during cytokinesis.
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, eventually developing into a new cell wall that separates the two daughter cells.
By comparing these processes, we can conclude that the main difference is that plant cells form a cell plate, while animal cells form a cleavage furrow during cytokinesis.
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