DNA Structure
8th - University grade
57 times
Biology
74%average accuracy
4 years ago
jeffdeckman
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29 QuestionsShow answers
  • Question 1
    30 seconds
    Q. What two parts of a nucleotide do not change throughout the structure of DNA?
    answer choices
    Five-Carbon Sugar and Nitrogen Base
    Phosphate Group and Nitrogen Base
    Five-Carbon Sugar and Phosphate Group
    All components remain the same throughout the DNA structure?
  • Question 2
    30 seconds
    Q. Which shows the correct complementary base pairing for DNA?
    answer choices
    C-A, T-G
    A-G, C-T
    C-G, U-A
    T-A, G-C
  • Question 3
    30 seconds
    Q. A monomer of DNA is called a(n)
    answer choices
    Monosaccharide
    Amino Acid
    Triglyceride
    Nucleotide
  • Question 4
    30 seconds
    Q. Which of the following best describes a DNA molecule?
    answer choices
    double helix
    contains ribose
    made of amino acids
    contains Uracil
  • Question 5
    30 seconds
    Q. Which of the following units are repeatedly joined together to form a strand of DNA?
    answer choices
    amino acids
    nucleotides
    fatty acids
    polysaccharides
  • Question 6
    60 seconds
    Q. In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
    answer choices
    cytosine
    guanine
    thymine
    uracil
  • Question 7
    30 seconds
    Q. Adenine bonds with ______________.
    answer choices
    Guanine
    Thymine
    Cytosine
    Adenine
  • Question 8
    30 seconds
    Q. Guanine bonds with ______________.
    answer choices
    Adenine
    Guanine
    Cytosine
    Thymine
  • Question 9
    180 seconds
    Q. Why is DNA important?
    answer choices
    it is very small and very complicated
    it's in everything
    it serves as the blueprint for traits of all living things
    because we eat it every day for energy
  • Question 10
    180 seconds
    Q. What are the 4 nitrogen bases?
    answer choices
    adenine, thymine, cytoplasm, and guanine
    adenine, thymine cytosine, and guanine
    adenine, thymine, cytosine, and gylcerol
    adenine, thymine, cytosine, and glucose
  • Question 11
    60 seconds
    Q. What determines the code, or information, of a DNA molecule?
    answer choices
    the shape (structure) of the nitrogen bases
    the order (sequence) of the nitrogen bases
    the color of the nitrogen bases
    the frequency (number) of nitrogen bases
  • Question 12
    180 seconds
    Q. Which 2 molecules form the sides (backbone) of the DNA ladder?
    answer choices
    deoxyribose and adenine
    deoxyribose and a hydrogen bond
    deoxyribose and the nucleus
    deoxyribose and phosphate
  • Question 13
    180 seconds
    Q. Which organelle is DNA usually found in?
    answer choices
    cell membrane
    vacuole
    chloroplast
    nucleus
  • Question 14
    180 seconds
    Q. Name this structure
    answer choices
    double helix
    nucelotide
    twisted ladder
    hydrogen bond
  • Question 15
    30 seconds
    Q. DNA codes for...
    answer choices
    cholesterol
    proteins
    fatty acids
    a sandwich
  • Question 16
    30 seconds
    Q. Nitrogenous bases are joined by which type of bond?
    answer choices
    polar bonds
    ionic bonds
    covalent bonds
    hydrogen bonds
  • Question 17
    30 seconds
    Q. Nucleotides are made up of a sugar, phosphate, and..?
    answer choices
    nitrogenous base
    nucleic acid
    cholesterol
    fatty acid
  • Question 18
    60 seconds
    Q. What is the relationship between a protein, the cell, and DNA?
    answer choices
    DNA is produced by protein which is produced in the cell
    Protein is composed of DNA which is produced in the cell
    DNA controls the production of protein in the cell
    A cell is composed of DNA and protein
  • Question 19
    30 seconds
    Q. the base that pairs with Thymine in DNA
    answer choices
    adenine
    guanine
    helicase
    nucleotide
  • Question 20
    30 seconds
    Q. nitrogen base that pairs with guanine
    answer choices
    adenine
    cytosine
    nucloetide
    deoxyribose
  • Question 21
    30 seconds
    Q. A five-carbon sugar found in DNA.
    answer choices
    ribose
    guanine
    deoxyribose
    helicase
  • Question 22
    30 seconds
    Q. (deoxyribonucleic acid); genetic material that organisms inherit from their parents.
    answer choices
    RNA
    DNA
    deoxyribose
    double helix
  • Question 23
    30 seconds
    Q. monomer of nucleic acid; consisting of a sugar, phosphate, and nitrogen base
    answer choices
    nucleotide
    guanine
    deoxyribose
    DNA
  • Question 24
    30 seconds
    Q. The four types of nucleotides that make up DNA are named for their:
    answer choices
    hydrogen bonds
    nitrogenous bases
    phosphate group
    ring-shaped sugars
  • Question 25
    30 seconds
    Q. Which model of base pairing is correct?
    answer choices
    A=T and C=G
    A=T=C=G
    A+T and G+C
    A=G and T=C
  • Question 26
    30 seconds
    Q. Watson & Crick discovered the structure of DNA.  They called it the _____________model:
    answer choices
    helical
    double-helix
    double-stranded
    twisted ladder
  • Question 27
    30 seconds
    Q. If base-pairing rules state that Adenine always pairs with Thymine, and Cytosine pairs with Guanine, what would be the complementary strand to ACGGT?
    answer choices
    ACGGT
    TGGCA
    TGCCA
    ACCGT
  • Question 28
    30 seconds
    Q. Which nucleotides are considered purines?
    answer choices
    Adenine & Thymine
    Cytosine & Guanine
    Adenine & Guanine
    Cytosine & Thymine
  • Question 29
    30 seconds
    Q. Base pairs in a DNA strand are held together by what type of bonds?
    answer choices
    covalent
    hydrogen
    ionic
    James
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