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DNA Quiz

Quiz by Mallory Strelecky

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14 questions
Show answers
  • Q1
    Which best describes the shape of a DNA molecule?
    t-shaped strand
    double helix
    single strand
    single helix
    300s
  • Q2
    DNA is a spiral ladder-shaped structure with the sides of the ladder representing which components?
    glucose molecules
    alternating proteins and phosphates
    alternating sugars and phosphates
    a pair of nitrogenous bases
    300s
  • Q3
    In complementary DNA strands, which bases pair together?
    adenine and cytosine; thymine and guanine
    adenine and guanine; thymine and cytosine
    adenine and thymine; guanine and cytosine
    adenine and uracil; guanine and thymine
    300s
  • Q4
    During DNA replication, the parent DNA strand CGA AGT GGC is matched with which complementary DNA strand?
    GCT TCA CCG
    GCT TCT CCG
    GCU UCA CCG
    GCU UCT CCG
    300s
  • Q5
    Which statement best describes the relationship that exists among proteins, DNA, and cells?
    Proteins are made up of DNA, which determines the cells that are produced.
    Cells contain DNA, which controls the production of proteins.
    DNA is made up of proteins, which tell a cell how to function.
    Proteins combine to produce cells, which produce DNA.
    300s
  • Q6
    What are the primary components of a nucleotide?
    base, phosphate, and sugar
    acid, chlorine, and hydrogen
    base, oxygen, and phosphate
    acid, base, and phosphate
    300s
  • Q7
    What are the subunits of DNA and their function?
    nucleotides that store information
    proteins that provide the building blocks for the structural components of organisms
    monosaccharides that provide quick energy for the cell
    lipids that store energy and provide insulation
    300s
  • Q8
    What is the monomer shown in the picture?
    Question Image
    nucleotide
    amino acid
    fatty acid
    glucose
    300s
  • Q9
    Which is the correct identification of the parts of the DNA nucleotide in the diagram ?
    Question Image
    A = phosphate, B = deoxyribose, C = thymine
    A = thymine, B = ribose, C = uracil
    A = phosphate, B = ribose, C = uracil
    A = uracil, B = deoxyribose, C = thymine
    300s
  • Q10
    Which event takes place first during DNA replication?
    The DNA molecule "unzips" along weak hydrogen bonds.
    A single-stranded RNA molecule is formed.
    Transfer RNA links to an amino acid.
    Free nucleotides are bonded together in the correct sequence.
    300s
  • Q11
    This picture shows the structure of a...
    Question Image
    protein.
    RNA molecule.
    DNA molecule.
    amino acid.
    300s
  • Q12
    Which is a nucleotide found in DNA?
    deoxyribose + phosphate group + cytosine
    deoxyribose + phosphate group + uracil
    ribose + phosphate group + uracil
    ribose + phosphate group + thymine
    300s
  • Q13
    DNA is copied during a process called
    transcription.
    replication.
    translation.
    transformation.
    300s
  • Q14
    If a DNA sequence of nitrogen bases is ATTCGA, what is the complementary strand of DNA?
    TUACGU
    TAAGCT
    ATAGCA
    TUACGU
    300s

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