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5 Written questions

5 Matching questions

  1. genetic code
  2. stop codon
  3. codon
  4. peptide bond
  5. termination signal
  1. a The covalent linkage between two amino acid units in a polypeptide; formed by a dehydration reaction.
  2. b a codon in messenger RNA that stops protein synthesis and causes the completed protein chain to be released from the ribosome
  3. c three-nucleotide sequence on messenger RNA that codes for a single amino acid
  4. d a specific sequence of nucleotides that marks the end of a gene.
  5. e a table that shows the amino acid that corresponds to each of the 64 possible codons

5 Multiple choice questions

  1. sequence of DNA that codes information for protein synthesis.
  2. a nucleic acid that plays an important role in the production of proteins
  3. codon that signals to ribosomes to begin translation; codes for the first amino acid in a protein
  4. the organic process whereby the DNA sequence in a gene is copied into mRNA
  5. type of RNA molecule that plays a structural role in ribosomes

5 True/False questions

  1. intronsequence of DNA that is not involved in coding for a protein


  2. transfer RNAtype of RNA molecule that transfers amino acids to ribosomes during protein synthesis


  3. mutationchange in a DNA sequence that affects genetic information


  4. translationthe organic process whereby the DNA sequence in a gene is copied into mRNA


  5. RNA polymerasesmall organelle in the cell on which proteins are assembled; made of RNA and protein


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