Science 9 Exam: Cell Cycle and Division Vocabulary
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Questions and Answers

What is the process of cell division in body cells that creates an identical copy of the cell?

  • Apoptosis
  • Cytokinesis
  • Mitosis (correct)
  • Prophase
  • Which phase of Mitosis involves the spindle fibres reaching out and grabbing the centromere of the double-stranded chromosome?

  • Anaphase
  • Telophase
  • Prophase
  • Metaphase (correct)
  • What is the structure that holds the double-stranded (duplicate copies) of chromosomes together in the middle until they are separated?

  • Spindle fibres
  • Nuclear membrane
  • Centriole
  • Centromere (correct)
  • What happens in Prophase, the first phase of Mitosis?

    <p>Spindle fibres develop and centrioles move to poles</p> Signup and view all the answers

    Which phase of Mitosis involves the nuclear membrane reappearing, spindle fibres disappearing, and chromosomes becoming single strands?

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

    What does Cytokinesis refer to?

    <p>When the cell actually divides or splits</p> Signup and view all the answers

    What type of reproduction creates an exact copy of the organism?

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

    In which asexual reproduction process does a piece of stem get cut off from the parent plant and placed in water or soil to grow new roots?

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

    What is the process of exchanging pieces of genetic information to create variation in a species during meiosis called?

    <p>Crossing over</p> Signup and view all the answers

    Which cells are created by the process of meiosis?

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

    What type of cell has no nucleus?

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

    Which process involves the sperm and egg meeting outside the body?

    <p>External Fertilization</p> Signup and view all the answers

    What is the first body cell created during fertilization called?

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

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