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5 Written questions

5 Matching questions

  1. messenger RNA (mRNA)
  2. polyploidy
  3. anticodon
  4. operator
  5. base pairing
  1. a region of chromosome in an operon to which the repressor binds when the operon is "turned off"
  2. b group of three bases on a tRNA molecule that are complementary to an mRNA codon
  3. c principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine
  4. d condition in which an organism has extra sets of chromosomes
  5. e RNA molecule that carries copies of instructions for the assembly of amino acids into proteins from DNA to the rest of the cell

5 Multiple choice questions

  1. process in which part of the nucleotide sequence of DNA is copied into a complementary sequence in RNA
  2. sequence og DNA that is not involved in coding for a protein
  3. virus that infects bacteria
  4. change in a DNA sequence that affects genetic information
  5. enzyme similar to DNA polymerase that binds to DNA and separates the DNA strands during transcription

5 True/False questions

  1. point mutationgene mutation involving changes in one or a few nucleotides

          

  2. geneexpressed sequence of DNA ; codes for a protein

          

  3. operonsequence og DNA that is not involved in coding for a protein

          

  4. ribosomal RNA (rRNA)type of RNA that makes up the major part of a ribosome

          

  5. exongroup of genes operating together