Embryonic Development Processes
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Questions and Answers

What is the critical point where internal and external signals can regulate the cell cycle?

  • G1 phase (correct)
  • G2 phase
  • S phase
  • G0 phase
  • What is the term used to describe the controlled self-destruction of cells?

  • Mitosis
  • Meiosis
  • Apoptosis (correct)
  • Cytokinesis
  • Which phase represents a resting state where cells have temporarily stopped dividing?

  • S phase
  • G2 phase
  • G0 phase (correct)
  • G1 phase
  • What term is used to describe the uncontrolled division of cells that leads to tumor formation?

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

    What is the term used to describe cancer cells that break away from the primary tumor and spread to other parts of the body?

    <p>Metastatic cells</p> Signup and view all the answers

    Which of the following is an environmental factor that can contribute to the development of cancer?

    <p>Radiation exposure</p> Signup and view all the answers

    What is the term for the fertilized egg that goes through cell division repeatedly?

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

    Which process creates specialized cells with specific structures and functions from undifferentiated cells?

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

    What are embryonic stem cells capable of becoming?

    <p>Any type of specialized cell in the body</p> Signup and view all the answers

    What is the term for the repeated pattern of growth, DNA duplication, and cell division in eukaryotic cells?

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

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

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

    What is the term for a section of DNA that contains the instructions for making a protein?

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

    How many pairs of homologous chromosomes are present in normal human body cells?

    <p>23</p> Signup and view all the answers

    During which phase of the cell cycle do chromosomes condense and become visible as distinct structures?

    <p>M phase</p> Signup and view all the answers

    What is the term for the process that divides the cytoplasm of a cell into two separate cells during the end of the cell cycle?

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

    Why do cells need to maintain a relatively small size and a high surface area to volume ratio?

    <p>To enable easier transport of substances in and out of the cell</p> Signup and view all the answers

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