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Home Biochemistry Nucleic Acids Comments

  • Question
  • The sugar in RNA is __________ , the sugar in DNA is __________


  • Options
  • A. deoxyribose, ribose
  • B. ribose, deoxyribose
  • C. ribose, phosphate
  • D. ribose, uracil

  • Correct Answer
  • ribose, deoxyribose 


  • Nucleic Acids problems


    Search Results


    • 1. The most stabilizing force for nucleic acids is

    • Options
    • A. hydrogen bonds
    • B. electrostatic bond
    • C. Van der Waals
    • D. conformational entropy
    • Discuss
    • 2. Nucleic acids can be analyzed experimentally by their

    • Options
    • A. molecular weight
    • B. absorption of visible light
    • C. absorption of uv light
    • D. none of these
    • Discuss
    • 3. Which pyrimidine base contains an amino group at carbon 4?

    • Options
    • A. Cytosine
    • B. Thymine
    • C. Uracil
    • D. Adenine
    • Discuss
    • 4. Which of the following is found on RNA but not DNA?

    • Options
    • A. Uracil
    • B. Deoxyribose
    • C. Phosphate
    • D. Adenine
    • Discuss
    • 5. A five carbon sugar lacking a hydrogen at the number 2 carbon is found in

    • Options
    • A. DNA
    • B. RNA
    • C. mRNA
    • D. rDNA
    • Discuss
    • 6. Nucleoside is a pyrimidine or purine base

    • Options
    • A. covalently bonded to a sugar
    • B. ionically bonded to a sugar
    • C. hydrogen bonded to a sugar
    • D. none of the above
    • Discuss
    • 7. Translation begins

    • Options
    • A. at the replication fork
    • B. on the lagging strand
    • C. at the start codon
    • D. in nucleus
    • Discuss
    • 8. The sequence of one strand of DNA is: 5' ATTGCCA 3', what is the sequence of the other strand?

    • Options
    • A. 5' TAACGGT 3'
    • B. 5' TGGCAAT 3'
    • C. 5' ATTGCCA 3'
    • D. 5' UAAGCCU3'
    • Discuss
    • 9. Bacterial protein called catabolic activator protein (CAP) is an example of

    • Options
    • A. negative control of gene expression
    • B. positive control of gene expression
    • C. second type of positive control of gene expression
    • D. none of the above
    • Discuss
    • 10. The genetic code is degenerated. Which of the following codons represents the principle of degeneracy?

    • Options
    • A. UAA and UAC
    • B. AUG and AUA
    • C. CAU and CAC
    • D. UUA and UUC
    • Discuss


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