Cell Continuity

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Questions and Answers

Which of the following is NOT a stage of mitosis?

  • Metaphase
  • Prophase
  • Interphase (correct)
  • Anaphase

What is the function of mitosis in multicellular organisms?

  • Growth (correct)
  • Cell replacement
  • Gamete formation
  • Asexual reproduction

Which of the following is NOT a function of meiosis?

  • Increases variation
  • Pollen grain formation
  • Gamete formation
  • Cell replacement (correct)

What is the name of the period in the cell cycle where division is not taking place?

<p>Interphase (B)</p>
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Which of the following is NOT a cause of cancer?

<p>Mitosis (D)</p>
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What happens during cytokinesis in an animal cell?

<p>The cell membranes constrict to form two cells (B)</p>
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During which phase of the cell cycle does the cell spend up to 90% of its life?

<p>Interphase (C)</p>
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Which of the following is true about somatic cells in advanced organisms?

<p>They are diploid cells (B)</p>
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What is the diploid number of cells in humans?

<p>46 (D)</p>
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Which type of cells in the human body are haploid?

<p>Gametes (D)</p>
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What is the division of a nucleus into two genetically identical copies of itself called?

<p>Mitosis (B)</p>
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How many stages are there in mitosis?

<p>4 (C)</p>
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During which phase of mitosis do the chromosomes align at the equator of the cell?

<p>Metaphase (D)</p>
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What is the function of spindle fibers during mitosis?

<p>To separate the sister chromatids (C)</p>
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What is the term used for the group of disorders in which control over the rate of mitosis is lost?

<p>Cancer (D)</p>
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What is the role of mitosis in single-celled organisms?

<p>To facilitate asexual reproduction (D)</p>
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What medical term is used for the group of disorders in which certain cells lose normal control of mitosis?

<p>Cancer (D)</p>
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What is a possible cause of the group of disorders referred to as cancer?

<p>Ultraviolet light exposure (C)</p>
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In which stage of mitosis are the chromosomes located at the equator of the cell and before they begin to separate?

<p>Metaphase (A)</p>
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In the stage of mitosis referred to as metaphase, to what are the chromosomes attached?

<p>Spindle fibers (B)</p>
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