Cell Determination and Positional Values Quiz
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Questions and Answers

What process involves the formation of somites and intermediate mesoderm?

  • Germ layer specification
  • Gastrulation
  • Segmentation (correct)
  • Morphogenesis
  • Which structure gives rise to muscle in the segmented structures described in the Somite stage?

  • Sclerotomes (correct)
  • Dermis
  • Anotochordy structures
  • Hensen's node
  • What is responsible for the left-right asymmetry in the developing embryo?

  • Nerve cells
  • Dermis
  • Hensen's node (correct)
  • Miotomes
  • Which layer gives rise to internal organs such as gut, liver, and lungs?

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

    What is the difference between germ cells and somatic cells in terms of inheritance?

    <p>Germ cells transmit mutations. (B)</p> Signup and view all the answers

    Which process involves cells organizing and forming specific organs during development?

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

    What is responsible for the rise of muscle from myotomes?

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

    Which type of stem cells can differentiate into all cell types of an organism, including extraembryonic tissues?

    <p>Totipotent stem cells (B)</p> Signup and view all the answers

    Where are adult stem cells primarily found in the body?

    <p>Within the tissues of children (D)</p> Signup and view all the answers

    Which type of potency involves a stem cell's ability to differentiate into various cell types, but does not include extraembryonic tissues?

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

    What is the main difference between unipotent and multipotent stem cells?

    <p>Multipotent stem cells can only differentiate into one cell type. (D)</p> Signup and view all the answers

    Where do hematopoietic stem cells primarily function in the body?

    <p>In the formation of blood cells (C)</p> Signup and view all the answers

    What is the primary function of Hematopoietic Stem Cells?

    <p>Supporting daily blood turnover and fighting infection (D)</p> Signup and view all the answers

    Which type of stem cells are NOT pluripotent, multipotent, or unipotent?

    <p>Adipose-derived stem cells (C)</p> Signup and view all the answers

    What is the main source of Adult Stem Cells like Hematopoietic Stem Cells?

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

    Which type of stem cells have the potential to differentiate into all functional cell types like brain cells, heart muscle, and blood vessels?

    <p>Embryonic Stem Cells (C)</p> Signup and view all the answers

    What is a characteristic feature of Mesenchymal Stem Cells when placed on a dish?

    <p>They will adhere to the bottom or plate (C)</p> Signup and view all the answers

    Which type of stem cells are characterized by being very malleable and can be maintained for a long period of time?

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

    What distinguishes adult stem cells from hematopoietic stem cells in terms of tumorogenicity?

    <p>Adult stem cells are more tumorigenic than hematopoietic stem cells (A)</p> Signup and view all the answers

    What is a key characteristic of umbilical cord blood stem cells compared to adult stem cells?

    <p>They are less mature than adult stem cells (A)</p> Signup and view all the answers

    Which region of the body houses adult stem cells that contribute to the repair of blood cells?

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

    What technique involves taking an adult cell nucleus and inserting it into an egg to create an embryonic stem cell?

    <p>Somatic Cell Nuclear Transfer (SCNT) (B)</p> Signup and view all the answers

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