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5 Written questions

5 Matching questions

  1. genetic code
  2. mutation
  3. RNA polymerase
  4. promoter
  5. peptide bond
  1. a region of DNA that indicates to an enzyme where to bind to make RNA
  2. b change in a DNA sequence that affects genetic information
  3. c The covalent linkage between two amino acid units in a polypeptide; formed by a dehydration reaction.
  4. d a table that shows the amino acid that corresponds to each of the 64 possible codons
  5. e transcription enzyme that links RNA nucleotides together

5 Multiple choice questions

  1. a nucleic acid that plays an important role in the production of proteins
  2. the genetic message from the DNA which is transferred to the protein-synthesizing machinery of the cell
  3. type of RNA molecule that transfers amino acids to ribosomes during protein synthesis
  4. process of converting information in mRNA into a sequence of amino acids in a protein
  5. codon that signals to ribosomes to begin translation; codes for the first amino acid in a protein

5 True/False questions

  1. ribosomal RNAsmall organelle in the cell on which proteins are assembled; made of RNA and protein


  2. transcriptionthe organic process whereby the DNA sequence in a gene is copied into mRNA


  3. stop codona codon in messenger RNA that stops protein synthesis and causes the completed protein chain to be released from the ribosome


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


  5. codonthree-nucleotide sequence on messenger RNA that codes for a single amino acid


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