Mitosis Cell Division Quiz

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Questions and Answers

What is the main purpose of mitosis in multicellular organisms?

  • Undergo growth and development (correct)
  • Increase genetic diversity
  • Convert energy
  • Produce gametes

During mitosis, what happens to the nucleus of a cell?

  • It disintegrates
  • It transforms into mitochondria
  • It divides into two nuclei (correct)
  • It merges with another nucleus

Which species has the same number of chromosomes as a human?

  • Chimpanzee (correct)
  • Roundworm
  • Rice
  • Dog

What is the chromosome number of Pan troglodytes?

<p>46 (B)</p> Signup and view all the answers

How does mitosis contribute to repairing damaged tissues?

<p>By generating new cells with identical genetic material (D)</p> Signup and view all the answers

What is the process where the cytoplasm of the parent cell splits to form two identical daughter cells?

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

In animal cells, what structures form during cytokinesis?

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

What happens in plant cells during cytokinesis?

<p>Formation of cell plate (A)</p> Signup and view all the answers

Where do the Golgi vesicles accumulate during cytokinesis in plant cells?

<p>At the metaphase plate (A)</p> Signup and view all the answers

What is the final result of cytokinesis?

<p>Formation of daughter cells (A)</p> Signup and view all the answers

What is the next phase after telophase in the cell cycle?

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

What is the primary event that occurs during telophase?

<p>Formation of new nuclear envelope (A)</p> Signup and view all the answers

What happens to the nucleolus during prophase of mitosis?

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

When do chromosomes unfold back into chromatin?

<p>After telophase (B)</p> Signup and view all the answers

What is the main function of the mitotic spindle during mitosis?

<p>Attachment to chromosomes (C)</p> Signup and view all the answers

What is the role of centrosomes in mitosis?

<p>Organization of spindle fibers (B)</p> Signup and view all the answers

What process follows the formation of two new nuclei around each set of chromosomes?

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

What happens to the nucleolus and nuclear membrane after telophase?

<p>They begin to reform (A)</p> Signup and view all the answers

Why do chromatids start to coil during prophase of mitosis?

<p>To condense into chromosomes (D)</p> Signup and view all the answers

What happens to the number of chromosomes in daughter cells compared to the parent cell after mitosis?

<p>Remains the same (B)</p> Signup and view all the answers

What is the series of events that take place in a cell as it grows and divides?

<p>Cell cycle (B)</p> Signup and view all the answers

During which phase of the cell cycle does the DNA get replicated?

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

Which stage of the cell cycle is described as the resting stage?

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

What stage of the cell cycle involves cell division?

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

Which phase involves synthesis of organelles and materials needed for cell division?

<p>Gâ‚‚ phase (A)</p> Signup and view all the answers

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