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La replicazione del DNA

Quiz by maria

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10 questions
Show answers
  • Q1
    What is the process called when DNA makes an identical copy of itself?
    DNA mutation
    DNA replication
    DNA translation
    DNA transcription
    30s
  • Q2
    Which enzyme is responsible for copying DNA during replication?
    RNA polymerase
    DNA polymerase
    DNA helicase
    DNA ligase
    30s
  • Q3
    What is the purpose of DNA replication?
    To repair damaged DNA.
    To produce proteins for the cell.
    To create new DNA molecules with unique genetic information.
    To ensure the accurate transmission of genetic information to daughter cells.
    30s
  • Q4
    Which enzyme is responsible for separating the DNA strands during replication?
    DNA helicase
    RNA polymerase
    DNA ligase
    DNA polymerase
    30s
  • Q5
    What is the first step in DNA replication?
    Binding of DNA polymerase
    Unwinding of the DNA double helix
    Separation of the DNA strands
    Synthesis of new DNA strands
    30s
  • Q6
    What is the role of DNA ligase in DNA replication?
    To separate the DNA strands
    To join Okazaki fragments on the lagging strand
    To add new nucleotides to the growing strand
    To unwind the DNA double helix
    30s
  • Q7
    What is the role of DNA polymerase in DNA replication?
    To add new nucleotides to the growing DNA strand
    To separate the DNA strands
    To unwind the DNA double helix
    To repair damaged DNA
    30s
  • Q8
    Which direction is DNA synthesized on the lagging strand during DNA replication?
    5' to 3'
    Randomly
    3' to 5'
    Both 5' to 3' and 3' to 5'
    30s
  • Q9
    What is the lagging strand in DNA replication?
    The strand that contains the majority of DNA damage
    The strand that is synthesized discontinuously in the opposite direction of the replication fork
    The strand that is synthesized continuously in the same direction as the replication fork
    The strand that is responsible for the initial unzipping of DNA
    30s
  • Q10
    What are Okazaki fragments?
    Short DNA fragments synthesized on the lagging strand during DNA replication
    Incomplete DNA fragments found in the nucleus of cells
    Long DNA fragments synthesized on the leading strand during DNA replication
    Different types of proteins involved in DNA repair
    Large molecules that make up the structure of DNA
    30s

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