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 (D)</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 (A)</p> Signup and view all the answers

What does Cytokinesis refer to?

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

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

<p>Layering (B)</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 (A)</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 (A)</p> Signup and view all the answers

Which cells are created by the process of meiosis?

<p>Gametes (C)</p> Signup and view all the answers

What type of cell has no nucleus?

<p>Prokaryote (D)</p> Signup and view all the answers

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

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

What is the first body cell created during fertilization called?

<p>Zygote (C)</p> Signup and view all the answers

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