Chapter 13: The Genetic Code and Transcription

  1. Inosine is a modified base found in
    1. DNA.
    2. rRNA.
    3. tRNA.
    4. mRNA.
    5. vRNA.
  2. In E. coli transcription, RNA polymerase binds to the ________ region on the DNA.
    1. director
    2. conductor
    3. promoter
    4. enhancer
    5. operator
  3. Pre-mRNAs that can catalyze their own splicing are called
    1. exzymes.
    2. ribozymes.
    3. proteosomes.
    4. spliceosomes.
    5. nucleosomes.