A1.2 Nucleic acids

A1.2 Nucleic acids Quiz

IB Biology SL: Quiz

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5 questions, one answer each

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  1. 1. Which sugar is found in RNA?

    • A. Deoxyribose
    • B. Ribose
    • C. Glucose
    • D. Sucrose

  2. 2. Which base is found in DNA but not RNA?

    • A. Adenine
    • B. Uracil
    • C. Thymine
    • D. Guanine

  3. 3. Which reaction joins nucleotides into a polymer?

    • A. Hydrolysis
    • B. Condensation
    • C. Oxidation
    • D. Denaturation

  4. 4. A DNA strand reads GATC. What is the complementary strand?

    • A. CTAG
    • B. GATC
    • C. CUAG
    • D. TCGA

  5. 5. Why is the near-universal genetic code evidence of common ancestry?

    • A. All organisms have the same genes
    • B. All organisms have the same number of chromosomes
    • C. The same codons code for the same amino acids in almost all organisms
    • D. DNA is double-stranded in all organisms

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