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DNA Y10

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