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5 questions
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  • Q1
    Which would NOT happen if the DNA replication process encountered an error while coding?
    No noticeable errors would occur to the organism because not all DNA codes for proteins.
    The wrong protein could be coded for and created.
    DNA would convert into RNA
    A mutated trait could be exhibited
    45s
  • Q2
    Which statement below best explains DNA replication?
    DNA replication occurs during interphase and duplicates the amount of DNA in a cells nucleus just prior to cell division.
    Enzymes unwind DNA and match it with RNA.
    DNA replication occurs during cytokinesis creating many copies of the DNA.
    DNA replication happens during mitosis and is necessary for cells to replicate.
    45s
  • Q3
    What is the complementary RNA sequence for the following segment of DNA? ACC TAG CGA
    UGG AUC GCU
    AGU GAU CCA
    TGG ATC GCT
    ACC TAG CGA
    45s
  • Q4
    Cells differentiate because they need to become specialized. Which is an NOT example below of how specialized cells have unique structure and function.
    Bacteria cells are small in size in order to easily diffuse in and out of the cytoplasm.
    Nerve cells have dendrites and axons, giving them a “pathway-like” shape which can be used to send and receive signals.
    Eyes are composed of rod and cone cells which change shape to allow light to move in and out of cells.
    Muscle tissue is shaped differently than skin tissue because muscle cells have to expand and contract.
    45s
  • Q5
    All cells have the same genetic information, but do not express the same genes. How is this possible?
    Differences are due to major changes in genetic information from cell to cell.
    Genetic material in a muscle cell is completely different from genetic material in a skin cell.
    The differences are due to gene expression, which can be turned on and off.
    Genetic material is the same in all cells in the human body, except for reproductive cells.
    45s

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