Cell Nucleus and Cell Cycle

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Questions and Answers

During which phase of the cell cycle does DNA synthesis occur?

  • S phase (correct)
  • M phase
  • G2 phase
  • G1 phase

In which phase of mitosis do chromosomes separate and move towards the opposite poles?

  • Telophase
  • Metaphase
  • Prophase
  • Anaphase (correct)

What happens to cells in the G0 phase of the cell cycle?

  • They divide rapidly
  • They are preparing for division
  • They undergo DNA synthesis
  • They are in a non-dividing state (correct)

Which category of chromatin is visible as intense basophilic clumps in light microscopy?

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

True or False: Euchromatin predominates in cells with little synthetic activities.

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

During which phase of the cell cycle does DNA replication occur?

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

Which phase is a period of active RNA and protein synthesis in the cell cycle?

<p>G2 phase (D)</p> Signup and view all the answers

What is the period between DNA duplication and the next mitosis called in the cell cycle?

<p>G2 phase (D)</p> Signup and view all the answers

Which stage of mitosis involves chromosomes separating and moving toward opposite spindle poles?

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

What causes many types of cancer according to the text?

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

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