Mitosis and the Cell Cycle - Exercise 4.4

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8 Terms

1
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mitotic spindle

An assemblage of microtubules and associated proteins that is involved in the movements of chromosomes during mitosis.

<p>An assemblage of microtubules and associated proteins that is involved in the movements of chromosomes during mitosis.</p>
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Centrioles

a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.

<p>a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.</p>
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Microtubules (spindle fibers)

structures that pull chromosomes toward the poles

<p>structures that pull chromosomes toward the poles</p>
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nucleus

Control center of the cell

<p>Control center of the cell</p>
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nuclear membrane

A highly-porous membrane that separates the nucleus from the cytoplasm

<p>A highly-porous membrane that separates the nucleus from the cytoplasm</p>
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Chromosomes

threadlike structures made of DNA molecules that contain the genes

<p>threadlike structures made of DNA molecules that contain the genes</p>
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sister chromatids

Identical copies of a chromosome; full sets of these are created during the S subphase of interphase.

<p>Identical copies of a chromosome; full sets of these are created during the S subphase of interphase.</p>
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Centromere

Area where the chromatids of a chromosome are attached

<p>Area where the chromatids of a chromosome are attached</p>