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DNA Structure and Replication Pre-Quiz

Quiz by Christine Dougherty

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5 questions
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  • Q1
    1. DNA replication is semiconservative. Below is one template strand during DNA replication. Write the complementary strand that would result after replication. A T G C C A T G T A A
    ATGCCATGTAA
    TACGGTACATT
    TAGGGATCTAA
    TACCGGTATAA
    45s
  • Q2
    A molecule of DNA contains 10% adenine. How much cytosine does it contain?
    10%
    30%
    40%
    20%
    45s
  • Q3
    Why is DNA replication “semi-conservative”?
    The new strands of DNA are made of new DNA only
    The new DNA strands are made of old DNA only
    Both strands of the replicated molecule are different
    Each strand of the replicated molecule is made of one old strand and one new strand
    45s
  • Q4
    Which is the monomer of nucleic acids?
    phosphate
    nucleotide
    deoxyribose
    nucleic acid
    45s
  • Q5
    Which is the function of DNA polymerase?
    adds new nucleotides to the growing strand based in complementary base pair rules
    unwinds the DNA double helix
    seals new nucletoides together
    keeps the unwound strand separated
    45s

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