DNA Recognition Sequences Quiz
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Questions and Answers

What are recognition sequences known as in a DNA molecule?

  • Proteins
  • Restriction sites (correct)
  • Nucleotides
  • Genes
  • Which type of molecules recognize and bind to restriction sites?

  • Nucleases (correct)
  • Nucleosomes
  • Chromatin
  • Histones
  • What is the nature of the cut made by nucleases at restriction sites in DNA?

  • Irregular cut
  • Circular cut (correct)
  • Diagonal cut
  • Linear cut
  • Which term describes the process of naming recognition sequences in DNA?

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

    What is the term for enzymes that cut DNA at specific recognition sequences?

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

    What are enzymes that recognize the same sequence but cleave at different points called?

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

    What type of end is produced when a restriction endonuclease makes a double-stranded cut in the middle of the recognition sequence?

    <p>Blunt end</p> Signup and view all the answers

    What is the recognition sequence for the restriction enzyme SmaI?

    <p>CCC/GGG</p> Signup and view all the answers

    What is the recognition sequence for the restriction enzyme XmaI?

    <p>C/CCGGG</p> Signup and view all the answers

    What is the term used to describe the recognition sequence of a restriction enzyme?

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

    What type of nucleases are Bam HI and Bgl II?

    <p>Restriction nucleases</p> Signup and view all the answers

    What is the nature of the cut produced by Bam HI and Bgl II on DNA?

    <p>Sticky ends</p> Signup and view all the answers

    What is the recognition sequence for Bam HI?

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

    Which of the following is a possible recognition sequence for a nuclease similar to Bgl II?

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

    What term describes the sticky-ended cuts produced by Bam HI and Bgl II?

    <p>Cohesive ends</p> Signup and view all the answers

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