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Cell differentiation

Quiz by Emily Springfield

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13 questions
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  • Q1
    What determines the differentiation of cells in an embryo?
    Their genetic identity.
    The size of the embryo.
    The signals they receive.
    The environment outside the embryo.
    30s
  • Q2
    What type of proteins do cells produce in response to the signals they receive?
    Signal receptor proteins.
    Storage proteins.
    Transport proteins.
    Structural proteins.
    30s
  • Q3
    What happens when a cell receives different combinations of head and tail signals?
    It stays the same.
    It turns on different genes.
    It dies immediately.
    It becomes a stem cell.
    30s
  • Q4
    What is the role of stem cells during early embryonic development?
    They have not differentiated yet.
    They can only become muscle cells.
    They are only present in adult organisms.
    They are specialized for specific functions.
    30s
  • Q5
    Why do only certain cells produce insulin?
    All cells produce insulin equally.
    Insulin production is random among cells.
    Only muscle cells can produce insulin.
    They have the specific receptors to detect the glucose signal.
    30s
  • Q6
    What can cause an embryo's segment to incorrectly grow legs at the head?
    A genetic mutation in all segments.
    A mistake in the differentiation process.
    The absence of head signals.
    An external injury to the embryo.
    30s
  • Q7
    What are embryonic stem cells capable of under the right conditions?
    Differentiating into any cell type.
    Only becoming nerve cells.
    Only becoming muscle cells.
    Staying as stem cells forever.
    30s
  • Q8
    What happens to cells in an embryo when they receive different combinations of signals?
    They differentiate into specialized cells.
    They stop growing.
    They become identical cells.
    They die off.
    30s
  • Q9
    In the context of embryological development, what does the term 'differentiation' refer to?
    The process by which cells become specialized in structure and function.
    The loss of genetic material.
    The process of cell division.
    The integration of tissues.
    30s
  • Q10
    What is the primary function of receptor proteins in cells?
    To provide energy to the cell.
    To protect the cell from damage.
    To receive and respond to signals.
    To store genetic information.
    30s
  • Q11
    What does the phrase 'genetically identical' refer to in the context of cells?
    All cells are found in the same location.
    All cells function the same way.
    All cells have the same shapes.
    All cells in an organism share the same genetic material.
    30s
  • Q12
    What role do signals play in cellular differentiation?
    They provide nutrients to cells.
    They determine which genes are turned on or off in cells.
    They help cells to grow larger.
    They prevent errors in DNA replication.
    30s
  • Q13

    The embryo steadily activates more and more different genes, increasingly differentiating into a wide range of cells

    True

    False

    30s

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