Open Question
When a fruit fly embryo first begins to develop, a large cell is generated that contains over 8000 genetically identical nuclei. What is most likely responsible for this result?
11. Cell Division
Cytokinesis
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In animal cell cytokinesis, a cleavage furrow is ________.
A
A ring of vesicles forming a cell wall.
B
The equatorial line which chromosomes align along during mitosis.
C
A groove in the plasma membrane between daughter nuclei.
D
The space that is created between two chromatids during anaphase.
Verified step by step guidance1
Understand the context of cytokinesis: Cytokinesis is the process during cell division where the cytoplasm of a single eukaryotic cell is divided to form two daughter cells.
Identify the role of the cleavage furrow: In animal cells, the cleavage furrow is a crucial structure that forms during cytokinesis.
Recognize the formation of the cleavage furrow: It is a groove that appears in the plasma membrane, indicating where the cell will eventually split into two.
Differentiate from other structures: Unlike plant cells, which form a cell plate, animal cells use the cleavage furrow to divide the cell membrane.
Conclude with the correct description: The cleavage furrow is specifically a groove in the plasma membrane between daughter nuclei, facilitating the final separation of the two new cells.
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