General Microbiology: Microbial Genetics Quiz
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Questions and Answers

What is the basic structural unit of DNA?

  • Gene
  • Chromosome
  • Codon
  • Nucleotide (correct)
  • Which type of nucleic acid is a single-stranded structure?

  • tRNA
  • rRNA
  • mRNA
  • RNA (correct)
  • What type of molecule is essential for transferring genetic information from one generation to the next?

  • Nucleic Acid (correct)
  • Carbohydrate
  • Lipid
  • Protein
  • What is the complete genetic information of a cell called?

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

    What is a segment of DNA that codes for a functional product?

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

    What type of bond is formed when nitrous acid converts cytosine to uracil?

    <p>Hydrogen bond with adenine</p> Signup and view all the answers

    Which type of radiation induces the formation of thymine-thymine dimers, leading to the termination of DNA replication?

    <p>Ultraviolet (UV) radiation</p> Signup and view all the answers

    Which type of mutation results in the alteration of the biological properties of a protein?

    <p>Missense mutation</p> Signup and view all the answers

    What is the result of a point mutation changing a codon for an amino acid into a stop codon?

    <p>Silent mutation</p> Signup and view all the answers

    Which type of mutation leads to a change in the reading frame of the genetic code?

    <p>Frame shift mutation</p> Signup and view all the answers

    Adenine and Guanine are purines, each containing 1 nitrogenous ring.

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

    Uracil replaces Thymine in DNA.

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

    Non-ionizing radiation, such as UV rays, has more energy and penetrating power than ionizing radiation.

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

    A sense mutation results in a new codon coding for a different amino acid.

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

    Plasmids are linear DNA molecules that replicate independently of the bacterial chromosome.

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

    Genes form the basic structural unit of RNA.

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

    Ribonucleic acid (RNA) is double-stranded like DNA.

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

    Thymine-thymine dimers induce the termination of RNA replication.

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

    A codon consists of four nucleotides.

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

    Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA) are both essential for transferring genetic information from one generation to the next.

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

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