DNA Structure and Function Quiz
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Questions and Answers

Which of the following is a major functional form of RNA?

  • lncRNA
  • mRNA (correct)
  • piRNA
  • snRNA
  • Which region of mRNA is translated into protein?

  • untranslated region (correct)
  • 5' end
  • poly-A tail
  • 3' end
  • Which type of RNA matches amino acid with codon?

  • tRNA (correct)
  • miRNA
  • rRNA
  • snRNA
  • Which type of RNA is a structural and functional component of ribosomes?

    <p>rRNA</p> Signup and view all the answers

    Which type of RNA carries protein coding sequence?

    <p>mRNA</p> Signup and view all the answers

    Which type of RNA is involved in splicing and mRNA degradation?

    <p>snRNA</p> Signup and view all the answers

    Which type of RNA is associated with epigenetic modification and genomic imprinting?

    <p>lncRNA</p> Signup and view all the answers

    Which type of RNA is involved in X-chromosome inactivation and telomere protection?

    <p>miRNA</p> Signup and view all the answers

    Which compound would be a drug of choice for a patient with low CD4 lymphocyte count and symptoms of infection?

    <p>Dideoxy adenosine</p> Signup and view all the answers

    Which compound is commonly used in cancer treatment?

    <p>5-Flurouracil</p> Signup and view all the answers

    Which experiment in 1944 showed that DNA is the genetic material that causes transformation?

    <p>Avery et al.</p> Signup and view all the answers

    Who generated the X-ray picture of DNA fiber in 1950?

    <p>Maurice Willkins and Rosalind Franklin</p> Signup and view all the answers

    What did Jim Watson and Francis Crick solve in 1953?

    <p>The structure of DNA</p> Signup and view all the answers

    What are the handrails of the DNA double helix made of?

    <p>Sugar and phosphate</p> Signup and view all the answers

    What is the direction of DNA strands?

    <p>Antiparallel</p> Signup and view all the answers

    What is the most common form of DNA double helix?

    <p>B-DNA</p> Signup and view all the answers

    What is the process of separating DNA strands by breaking hydrogen bonds called?

    <p>Denaturation</p> Signup and view all the answers

    What determines the denaturation temperature of DNA?

    <p>Base composition</p> Signup and view all the answers

    What type of DNA structure could be formed in GC-rich regions?

    <p>Z-DNA</p> Signup and view all the answers

    What is the property of RNA that distinguishes it from DNA?

    <p>Sugar</p> Signup and view all the answers

    Which textbook is suggested for studying DNA structure and function?

    <p>Molecular Biology of the Cell</p> Signup and view all the answers

    What is the major biopolymer that is composed of deoxyribonucleotides?

    <p>DNA</p> Signup and view all the answers

    What is the difference between nucleosides and nucleotides?

    <p>Nucleosides have base and sugar, while nucleotides have base, sugar, and phosphate.</p> Signup and view all the answers

    Which of the following is a purine base?

    <p>Adenine</p> Signup and view all the answers

    Which chemical bond connects bases to the sugar in DNA?

    <p>N-glycosidic bond</p> Signup and view all the answers

    Where are new bases added during DNA replication?

    <p>3' carbon of sugar</p> Signup and view all the answers

    What is the term used to describe the structure of DNA with two antiparallel strands and complementary base pairing?

    <p>Double helix DNA</p> Signup and view all the answers

    What are the building blocks of DNA called?

    <p>Deoxyribonucleotides</p> Signup and view all the answers

    Which experiment provided evidence that DNA is the genetic material?

    <p>Avery-MacLeod-McCarty Experiment</p> Signup and view all the answers

    What is the difference between chromatin and chromatid?

    <p>Chromatin is the relaxed form of DNA during cell division, while chromatid is the condensed form.</p> Signup and view all the answers

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