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B.6A components of DNA

Quiz by Nohemi Vallejo

High School
Biology(2017)(ARCHIVED)
Texas Essential Knowledge and Skills (TEKS)

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9 questions
Show answers
  • Q1
    eight components present in nucleic acids are listed in the box. Which components bond with adenine in a section of double-stranded DNA?
    Question Image
    3 and 5 only
    1, 3, 5, and 6 only
    3, 4, 7, and 8 only
    2 and 4 only
    30s
    BIOL.6a
  • Q2
    A segment of DNA strand is shown. Which of these is the correct complementary DNA strand for the segment shown?
    Question Image
    5'AGGTCAGGT3'
    5'TCCAGTCCA3'
    5'TGGACTGGA3'
    5'ACCUGAGGU3'
    30s
    BIOL.6a
  • Q3
    Students are given data from an investigation that identified some of the chemical elements present in four different samples. Which sample was most likely DNA?
    Question Image
    Sample 2
    Sample 4
    Sample 1
    Sample 3
    30s
    BIOL.6a
  • Q4
    Which part of aDNA molecule is responsible for the direct coding of specific traits in an organism?
    The number of carbons in the DNA molecule.
    The number of hydrogen bonds that hold the strands of DNA together.
    The sequence of phosphate along each DNA strand.
    The sequence of nucleotide bases in the DNA molecule
    30s
    BIOL.6a
  • Q5
    Differences in traits such as hair texture are determined by differences in __
    the molecules attached to the phosphate in DNA
    the sequence of nucleotides in DNA
    the number of nitrogenous bases in DNA
    the location of sugar groups in DNA
    30s
    BIOL.6a
  • Q6
    A student used poster board to construct this model of a section of DNA. Which statement describes this model of DNA?
    Question Image
    The model is accurate because it shows each base splitting to form a double helix
    The model is inaccurate because the base pairs are incorrect.
    The model is inaccurate because some typical bases in DNA are missing
    The model is accurate because it contains correctly paired bases.
    30s
    BIOL.6a
  • Q7
    Nitrogenous bases are located on both strands of the DNA double helix. What is the significance of the nitrogenous bases?
    the type of hydrogen bonding between the nitrogenous bases determines which amino acid will be added to the peptide chain
    the amount of thymine and guanine in the DNA molecules determines the length of the ganes
    the number of adenines and cytosines determines the type of RNA that will be produced.
    The order of nitrogenous bases determines the order of amino acids in the proteins synthesized
    30s
    BIOL.6a
  • Q8
    Each strand of DNA molecule contains nitrogenous bases that pair with other nitrogenous bases in very specific ways. A diagram of section of DNA is shown. Which DNA strand is complementary to the one shown?
    Question Image
    5'AGUGCUGCGCGUA3'
    5'TCGCGCAGCTACA3'
    5'ACATCGACGCGCA3'
    5'TGTAGCTGCGCGT3'
    30s
    BIOL.6a
  • Q9
    a segment of DNA is represented in the illustration. How is information for a specific protein carried on the DNA molecule?
    Question Image
    In the double-helix shape of the condense chromosome
    As a sequence of nucleotide
    In the ratio of adenines to thymines
    As pattern of phosphates and sugars
    30s
    BIOL.6a

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