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Chapter 12: DNA And Rna

22 Questions
DNA Quizzes & Trivia
Questions and Answers
  • 1. 
    Process in which one strain of bacteria changes into another one
  • 2. 
    Process in which DNA makes a copy of itself
  • 3. 
    Protein that DNA wraps around in eukaryotic chromosomes
  • 4. 
    Virus that infects bacteria
  • 5. 
    Region of DNA that indicates to an enzyme where to bind to make RNA
  • 6. 
    A change in the genetic material
  • 7. 
    Sections of RNA molocules that are not involved in coding for proteins
  • 8. 
    A group of genes that operate together
  • 9. 
    Three nucleotides that specify a single amino acid to be added to a polypeptide
  • 10. 
    Process in which cells become specialized in structure and function
  • 11. 
    The principal enzyme involved in DNA replication
  • 12. 
    Condition in which an organism has extra sets of chromosomes
  • 13. 
    A(n) ______________, is made up of three parts: a deoxyribose sugar, a phosphate group, and a nitrogeneous base.
  • 14. 
    The principle of ____________ states that hydrogenbonds can form only between certain bases in DNA.
  • 15. 
    Eukaryotic chromoromes contain both DNA and protein tightly packed together to form a substance called ____________.
  • 16. 
    During the process of _____________, RNA molocules are produced by copying part of the nucleotide sequence of DNA into a complementary sequence in RNA.
  • 17. 
    The enzyme that uses one strand of DNA as a template to assemble nucleotides into a strand of RNA is called ________________.
  • 18. 
    After introns have been cut out of RNA molocules, the remaining peices called _________ are spliced together.
  • 19. 
    The decoding of an mRNA message into a protein is known as __________.
  • 20. 
    Three bases on the tRNA molocule are that complementary to one of the mRNA codons are called a(n) _____________.
  • 21. 
    When the lac repressor protein binds to the ___________________, the lac operon is turned off.
  • 22. 
    A series of genes, called the __________________, controls the development of organs and tissues in various parts of an embryo.