What statement describes a process that occurs during mitosis?Multiple choice question.The cell carries out basic functions and replicates its DNA.Organelles and chromatin are replicated, but the nuclear envelope does not break down.The cell replicates proteins but then waits for a signal to proceed to the S phase.Duplicated chromosomes line up and are pulled to opposite poles of the cell.
Question
What statement describes a process that occurs during mitosis?Multiple choice question.The cell carries out basic functions and replicates its DNA.Organelles and chromatin are replicated, but the nuclear envelope does not break down.The cell replicates proteins but then waits for a signal to proceed to the S phase.Duplicated chromosomes line up and are pulled to opposite poles of the cell.
Solution
The statement that describes a process that occurs during mitosis is "Duplicated chromosomes line up and are pulled to opposite poles of the cell."
Here's a step-by-step explanation:
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Mitosis is a part of the cell cycle where replicated chromosomes are separated into two new nuclei.
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The process begins with Prophase, where the chromatin condenses into the duplicated chromosome and the nuclear envelope breaks down.
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During Metaphase, which the statement refers to, the duplicated chromosomes line up in the middle of the cell and spindle fibers from each pole of the cell attach to the centromeres of each pair of sister chromatids.
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In Anaphase, the sister chromatids separate and are pulled towards opposite poles of the cell.
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Finally, during Telophase, the separated chromosomes reach the opposite poles and new membranes form around the daughter nuclei. The chromosomes then disperse and are no longer visible under the light microscope, and cytokinesis (division of the cytoplasm) follows.
So, the statement "Duplicated chromosomes line up and are pulled to opposite poles of the cell" accurately describes a process that occurs during the Metaphase and Anaphase stages of mitosis.
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