Quiz Online 3 Chapter 4 The Tools Of The Trade

10 Questions | Total Attempts: 157

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Quiz Online 3 Chapter 4 The Tools Of The Trade - Quiz

Bekerja keras sekarang, merasakan hasilnya nanti; bermalas-malas sekarang, merasakan akibatnya nanti. -- John C. Maxwel


Questions and Answers
  • 1. 
    Which of the following is NOT enzyme that used in gene manipulation?
    • A. 

      Primase

    • B. 

      Endonuclease

    • C. 

      Ligase

    • D. 

      Reverse transverase

  • 2. 
    Restriction enzymes are named according to the bacterium from which they are purified.
    • A. 

      TRUE

    • B. 

      FALSE

  • 3. 
    Enzymes which are purified from a wide range of organisms and can NOT be bought from various suppliers.
    • A. 

      TRUE

    • B. 

      FALSE

  • 4. 
    Which of the following is an enzyme that cuts DNA molecules at a limited number of specific nucleotide sequences?
    • A. 

      Reverse transverase

    • B. 

      DNA polymerase I

    • C. 

      Ligase

    • D. 

      Restriction endonuclease

  • 5. 
    In essence the Restriction endonuclease may be thought of as molecular scissor.
    • A. 

      TRUE

    • B. 

      FALSE

  • 6. 
    Determination of the positions of restriction sites in a DNA molecule by analyzing the sizes of restriction fragments.
    • A. 

      DNA mapping

    • B. 

      Genome mapping

    • C. 

      Gene mapping

    • D. 

      Restriction mapping

  • 7. 
    Enzyme activity is expressed in units, with one unit being the amount of enzyme that will cleave one gram of DNA in one hour at 37C.
    • A. 

      TRUE

    • B. 

      FALSE

  • 8. 
    Which of the following is a polymerase that synthesizes DNA on an RNA template?
    • A. 

      Reverse transverase

    • B. 

      DNA polymerase I

    • C. 

      Ligase

    • D. 

      Restriction endonuclease

  • 9. 
    Which of the following is an enzyme that synthesizes phosphodiester bonds as part of DNA replication, repair and recombination processes?
    • A. 

      Reverse transverase

    • B. 

      DNA polymerase I

    • C. 

      Ligase

    • D. 

      Restriction endonuclease

  • 10. 
    An enzyme that degrades a nucleic acid molecule.
    • A. 

      Endonucleases

    • B. 

      Exonucleases

    • C. 

      Nuclease

    • D. 

      Ribonuclease

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