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5 Written questions

5 Matching questions

  1. an enzyme similar to DNA polymerase that binds to DNA and separates the DNA strands during transcription
  2. a series of genes that controls the organs and tissues that develop in various parts of an embryo
  3. the granular material visible within the nucleus; consists of DNA tightly coiled around proteins
  4. the enzyme that "proofreads" new DNA strands, helping to ensure that each molecule is a nearly perfect copy of the original DNA
  5. a mutation that shifts the "reading" frame of the genetic message by inserting or deleting a nucleotide
  1. a hox gene
  2. b RNA polymerase
  3. c DNA polymerase
  4. d chromatin
  5. e frameshift mutation

5 Multiple choice questions

  1. point mutation
  2. transfer RNA
  3. messenger RNA
  4. base pairing
  5. bacteriophage

5 True/False questions

  1. a group of three bases on a tRNA molecule that are complementary to an mRNA codonmutation

          

  2. a region of chromosome in an operon to which the repressor binds when the operon is "turned off"operator

          

  3. the region of DNA that indicates to an enzyme where to bind to make RNApromoter

          

  4. the expressed sequence of DNA; codes for a proteinexon

          

  5. a three-nucleotide sequence on messenger RNA that codes for a single amino acidexon