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PCR，Gel electrophoresis，paternity testing

Quiz by Zhao

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35 questions
Show answers
  • Q1
    What does PCR stand for?
    Polymerase Chain Reaction
    Polynomial Chemical Reaction
    Protein Chain Reaction
    Protozoa Change Reaction
    30s
  • Q2
    Which enzyme is used in PCR to synthesize new DNA strands?
    Restriction Enzyme
    RNA Polymerase
    DNA Polymerase
    Ligase
    30s
  • Q3
    What is the purpose of the denaturation step in PCR?
    To separate the DNA strands
    To anneal the primers
    To amplify the DNA segments
    To synthesize new DNA strands
    30s
  • Q4
    What is the purpose of the extension step in PCR?
    To synthesize new DNA strands
    To amplify the DNA segments
    To separate the DNA strands
    To anneal the primers
    30s
  • Q5
    What is the role of primers in PCR?
    To separate the DNA strands
    To define the region of DNA to be amplified
    To identify the DNA template
    To synthesize new DNA strands
    30s
  • Q6
    What is the optimal temperature for the denaturation step in PCR?
    Around 80°C
    Around 50°C
    Around 70°C
    Around 95°C
    30s
  • Q7
    Which of the following is NOT a component required for PCR?
    RNA Polymerase
    dNTPs
    Primers
    DNA Polymerase
    30s
  • Q8
    What is the main purpose of Polymerase Chain Reaction (PCR)?
    To clone organisms
    To amplify and make copies of a specific DNA sequence
    To identify the structure of proteins
    To analyze RNA expression levels
    30s
  • Q9
    Which of the following substances is commonly used in paternity testing?
    DNA
    Sodium chloride
    Carbon dioxide
    Iron ore
    30s
  • Q10
    In paternity testing, what is the purpose of collecting a DNA sample from the alleged father?
    To determine the mother's DNA
    To confirm the father's hair color
    To compare with the child's DNA
    To analyze the father's blood type
    30s
  • Q11
    What is the main purpose of paternity testing?
    To establish biological fatherhood
    To establish legal custody
    To determine the mother's identity
    To determine the child's gender
    30s
  • Q12
    What is the typical method of collecting DNA samples for paternity testing?
    Urine test
    Hair strand
    Finger prick
    Cheek swab
    30s
  • Q13
    Which of the following is a non-invasive method of paternity testing?
    Semen analysis
    Amniocentesis
    Bone marrow biopsy
    Buccal swab
    30s
  • Q14
    What is the purpose of gel electrophoresis?
    To amplify DNA samples
    To create a DNA fingerprint
    To separate DNA fragments according to their size
    To visualize DNA structures
    30s
  • Q15
    Which molecule is typically used for gel electrophoresis?
    DNA
    Carbohydrate
    Protein
    Lipid
    30s

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