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5 Written questions

5 Matching questions

  1. ribosomal RNA
  2. start codon
  3. codon
  4. genetic code
  5. peptide bond
  1. a type of RNA molecule that plays a structural role in ribosomes
  2. b three-nucleotide sequence on messenger RNA that codes for a single amino acid
  3. c The covalent linkage between two amino acid units in a polypeptide; formed by a dehydration reaction.
  4. d codon that signals to ribosomes to begin translation; codes for the first amino acid in a protein
  5. e a table that shows the amino acid that corresponds to each of the 64 possible codons

5 Multiple choice questions

  1. transcription enzyme that links RNA nucleotides together
  2. change in a DNA sequence that affects genetic information
  3. type of RNA molecule that transfers amino acids to ribosomes during protein synthesis
  4. the organic process whereby the DNA sequence in a gene is copied into mRNA
  5. the genetic message from the DNA which is transferred to the protein-synthesizing machinery of the cell

5 True/False questions

  1. exonthree-nucleotide sequence on messenger RNA that codes for a single amino acid


  2. protein synthesisThe process of producing proteins by bonding together specific amino acids in a specific order


  3. termination signala specific sequence of nucleotides that marks the end of a gene.


  4. anticodongroup of three nucleotides on a tRNA molecule that are complementary to an mRNA codon


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