Textbook 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?
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3. Energy & Cell Processes
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 in animal cells, which is the process of dividing the cytoplasm to form two daughter cells after mitosis.
Recognize that in animal cells, cytokinesis is characterized by the formation of a cleavage furrow.
Identify that a cleavage furrow is a groove that forms in the plasma membrane, indicating where the cell will divide.
Differentiate between the cleavage furrow and other structures such as vesicles forming a cell wall (which occurs in plant cells) or the equatorial line where chromosomes align during metaphase.
Conclude that the correct description of a cleavage furrow in animal cell cytokinesis is 'a groove in the plasma membrane between daughter nuclei.'
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