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Cell Division and Life Cycle Quiz
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Cell Division and Life Cycle Quiz

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Questions and Answers

What is the main purpose of mitosis?

  • To maintain the continuity of the chromosomal set
  • To produce gametes in the testis and ovary
  • To result in reduction division in somatic cells
  • To produce equal and identical cells in somatic cells (correct)
  • Where does meiosis occur in the body?

  • In all living cells
  • In the cells of the brain and spinal cord
  • In somatic cells only
  • In germ cells of the testis and ovary (correct)
  • What is the significance of interphase in the cell cycle?

  • It occurs in gametes only
  • It is responsible for producing identical cells in somatic cells
  • It ensures the continuity of the chromosomal set (correct)
  • It is the phase where reduction division takes place
  • What is the process in which the number of chromosomes per cell is halved through the separation of homologous chromosomes?

    <p>Meiosis</p> Signup and view all the answers

    What is the phase in which the cell doubles in size and DNA replicates?

    <p>Interphase</p> Signup and view all the answers

    What type of cell contains both sets of homologous chromosomes?

    <p>Diploid cell</p> Signup and view all the answers

    In which phase does mitosis begin and the cell starts to divide?

    <p>Prophase</p> Signup and view all the answers

    What occurs during cytokinesis in the cell cycle?

    <p>Cell membrane pinches and forms identical daughter cells</p> Signup and view all the answers

    What is the primary structural component of cellular membranes?

    <p>Phospholipids</p> Signup and view all the answers

    In the bilayer arrangement of membrane phospholipids, where are the hydrophobic fatty acid tails oriented?

    <p>Away from the polar environment</p> Signup and view all the answers

    Which part of a phospholipid is oriented toward the polar environment in cellular membranes?

    <p>Hydrophilic portions</p> Signup and view all the answers

    What provides increased stability to the basic structure of cellular membranes?

    <p>Cholesterol</p> Signup and view all the answers

    Where are some phospholipids commonly found in the arrangement of cellular membranes?

    <p>Outer leaflet</p> Signup and view all the answers

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