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DNA Y10

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  • Adenine and thymine are held together by which type of bond?
    Hydrogen bonds
    Covalent bonds
    Ionic bonds
    Peptide bonds
  • Which nitrogenous base pairs with cytosine in DNA?
    Uracil
    Adenine
    Guanine
    Thymine
  • Which nitrogenous base pairs with adenine in DNA?
    Guanine
    Uracil
    Cytosine
    Thymine
  • Cytosine and guanine are held together by which type of bond?
    Covalent bonds
    Ionic bonds
    Peptide bonds
    Hydrogen bonds
  • Which structure is DNA wrapped around to form chromosomes?
    Proteins (histones)
    Lipids
    Sugars
    Enzymes
  • Adenine and thymine are examples of which type of molecule?
    Nitrogenous bases
    Enzymes
    Fatty acids
    Sugars
  • What is the main role of DNA?
    To provide energy for the cell
    To carry genetic information
    To protect the cell
    To digest nutrients
  • Which of the following best describes the shape of DNA?
    Double helix
    Circular loop
    Straight ladder
    Single helix
  • Where is DNA found in a human cell?
    Ribosomes
    Cytoplasm only
    Cell membrane
    Nucleus
  • What does DNA stand for?
    C. Dynamic nuclear acid
    A. Double nitrogen acid
    B. Deoxyribonucleic acid
    D. Deoxygenated ribose acid
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