Biology

9th -

11thgrade

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DNA STRUCTURE

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15 questions

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  • 1. Multiple Choice
    45 seconds
    1 pt
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    Which of the following best describes a DNA molecule?
    double helix
    contains ribose
    made of amino acids
    contains Uracil
  • 2. Multiple Choice
    1 minute
    1 pt
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    Why is DNA important?
    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
  • 3. Multiple Choice
    45 seconds
    1 pt
    Which 2 molecules form the sides (backbone) of the DNA ladder?
    deoxyribose sugar and adenine
    deoxyribose sugar and a hydrogen bond
    deoxyribose sugar and the nucleus
    deoxyribose sugar and phosphate
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