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Gel electrophoresis

Quiz by Jamie Moon

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10 questions
Show answers
  • Q1
    Which direction do DNA fragments move during gel electrophoresis?
    Toward the positive electrode
    Toward the negative electrode
    In a random direction
    They don't move
    30s
  • Q2
    Which type of gel is commonly used in gel electrophoresis?
    Polyacrylamide gel
    Agarose gel
    Sodium chloride gel
    DNA gel
    30s
  • Q3
    What is gel electrophoresis used for?
    Separating and analyzing DNA fragments
    Creating DNA molecules
    Amplifying DNA fragments
    Storing DNA samples
    30s
  • Q4
    Which electrode is the DNA typically loaded onto during gel electrophoresis?
    No electrode
    Positive electrode
    Both positive and negative electrodes
    Negative electrode
    30s
  • Q5
    What does PCR stand for?
    Protein Chain Reaction
    Polymeric Coating Reaction
    Polymerase Chain Reaction
    Purine-Contains Reaction
    30s
  • Q6
    What is the purpose of the denaturation step in a PCR reaction?
    To amplify the DNA
    To add primers
    To cool down the reaction
    To separate the DNA strands
    30s
  • Q7
    What is the role of primers in a PCR reaction?
    To cool down the reaction
    To initiate DNA synthesis
    To separate the DNA strands
    To amplify the DNA
    30s
  • Q8
    What is the ideal temperature for annealing in a PCR reaction?
    Room temperature
    Between 50°C and 65°C
    Above 70°C
    Below 40°C
    30s
  • Q9
    What is the purpose of the extension step in a PCR reaction?
    To separate the DNA strands
    To synthesize new DNA strands
    To amplify the DNA
    To add primers
    30s
  • Q10
    Which enzyme is commonly used in PCR?
    RNA polymerase
    Taq polymerase
    Reverse transcriptase
    DNA ligase
    30s

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