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5 Written questions

5 Matching questions

  1. codon
  2. polyploidy
  3. histone
  4. translation
  5. messenger RNA (mRNA)
  1. a RNA molecule that carries copies of instructions for the assembly of amino acids into proteins from DNA to the rest of the cell
  2. b decoding of an mRNA message into a polypeptide chain
  3. c condition in which an organism has extra sets of chromosomes
  4. d three-nucleotide sequence on messenger RNA that codes for a single amino acid
  5. e protein molecule around which DNA is tightly coiled in chromatin

5 Multiple choice questions

  1. group of genes operating together
  2. copying process by which a cell duplicates its DNA
  3. region of DNA that indicates to an enzyme where to bind to make RNA
  4. principle that bonds in DNA can form only between adenine and thymine and between guanine and cytosine
  5. enzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule

5 True/False questions

  1. mutationchange in a DNA sequence that affects genetic information


  2. nucleotidemonomer of nucleic acids made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base


  3. bacteriophagevirus that infects bacteria


  4. anticodonthree-nucleotide sequence on messenger RNA that codes for a single amino acid


  5. chromatingranular material visible within the nucleus; consists of DNA tightly coiled around proteins