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5 Written questions

5 Matching questions

  1. translation
  2. replication
  3. polyploidy
  4. exon
  5. intron
  1. a copying process by which a cell duplicates its DNA
  2. b condition in which an organism has extra sets of chromosomes
  3. c decoding of an mRNA message into a polypeptide chain
  4. d sequence og DNA that is not involved in coding for a protein
  5. e expressed sequence of DNA ; codes for a protein

5 Multiple choice questions

  1. three-nucleotide sequence on messenger RNA that codes for a single amino acid
  2. type of RNA that makes up the major part of a ribosome
  3. sequence of DNA that codes for a protein and thus determines a trait or chemical pathway
  4. region of DNA that indicates to an enzyme where to bind to make RNA
  5. group of genes operating together

5 True/False questions

  1. transfer RNA (tRNA)type of RNA molecule that transfers amino acids to ribosomes during protein synthesis has anticodon exposed


  2. point mutationchange in a DNA sequence that affects genetic information


  3. RNA polymeraseenzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule


  4. base pairingprinciple that bonds in DNA can form only between adenine and thymine and between guanine and cytosine


  5. nucleotidechange in a DNA sequence that affects genetic information