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  • PDF Pass

    Molecular Genetics 121

    Section 2 Replication of DNA

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    Scan Section 2 of the chapter. Write three questions that come to mind from reading the headings and the illustration captions.

    1.

    2.

    3.

    Use your book or dictionary to define template.

    Use your book or dictionary to define the following terms. Then look through the section to find a sentence with each term. Write the sentence.

    template

    semiconservative replication

    DNA polymerase

    Okazaki fragment

    Molecular Genetics Name Date

    DetailsMain Idea

    New Vocabulary

    Review Vocabulary

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  • DetailsMain Idea

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    122 Molecular Genetics

    Name Date

    Semiconservative Replication

    I found this information on page .

    Describe semiconservative DNA replication.

    Sequence and model each step in the replication of a DNA molecule. Write about what happens, and draw a DNA molecule going through each step. In the last box, describe and draw the products of replication.

    Section 2 Replication of DNA (continued)

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    Analyze how a DNA molecule acts like a template.

    A. B.

    C. D.

    Model During replication, the parental strands

    The new DNA molecule is

    composed of Semiconservative replication

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    Molecular Genetics 123

    Name Date

    Complete the table below on the role of each protein in DNA replication. The first one has been done for you.

    Protein Stage of DNA Replication Activity

    DNA helicase

    unwinding unwinds and unzips the DNA

    DNA ligase

    DNA polymerase

    RNA primase

    Single- stranded binding protein

    Section 2 Replication of DNA (continued) C

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    DetailsMain Idea

    I found this information on page .

    Comparing DNA Replication in

    Eukaryotes and Prokaryotes

    I found this information on page .

    Contrast the differences between prokaryotic and eukaryotic DNA replication.

    Eukaryotes Prokaryotes Number of origins for DNA replication

    Where replication takes place in the cell

    Analyze how the activity of DNA polymerase is consistent with Watson and Crick’s model of semiconservative replication.

    SUMMARIZE

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    1_5_Page 121: 2_5_Page 121: 3_5_Page 121: Use your book or dictionary to define template 1: the sentence 1_Page 121: 1_6_Page 121: 1_7_Page 121: Name: Date: on page_8_Page 122: During replication the parental strandsSemiconservative replication: The new DNA molecule is composed ofSemiconservative replication: B_Page 122: C_Page 122: D_Page 122: Analyze how a DNA molecule acts like a template 1: A_Page 122: Name 2 2_Page 123: on page_Page 123: unwindingDNA ligase: unwinds and unzips the DNADNA ligase: unwindingDNA polymerase: unwinds and unzips the DNADNA polymerase: unwindingRNA primase: unwinds and unzips the DNARNA primase: unwinds and unzips the DNASingle stranded binding protein: unwindingSingle stranded binding protein: EukaryotesNumber of origins for DNA replication: ProkaryotesNumber of origins for DNA replication: on page_2_Page 123: EukaryotesWhere replication takes place in the cell: ProkaryotesWhere replication takes place in the cell: