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Unit 3 Review

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    DNA + Mitosis + DNA Replication
  •   Study   Slideshow
  • What is cancer?
    mitosis
    benign cells
    tumors
    Uncontrolled cell division
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  • Which statement BEST describes the semiconservative replication sequence of the DNA sequence CCGCAT?
    Complementary bases in the same order
    complementary bases in the reverse order
    Identical bases in the same order
    Identical bases in the reverse order
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  • DNA __________ is an enzyme that is vital in unzipping the original DNA molecule.
    Helicase
    Polymerase
    Ligase
    Rigase
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  • DNA ______________ is an enzyme that works in moving nucleotides to the parent strand of DNA while checking for errors.
    Rigase
    Polymerase
    Helicase
    Ligase
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  • If a DNA molecule is 35% Guanine, what percent of the DNA molecule is Thymine?
    35%
    15%
    70%
    30%
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  • In order to ensure an exact copy of DNA is passed on, replication must occur before
    mitosis
    glycolysis
    protein synthesis
    meiosis
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  • DNA replication results in two DNA molecules,
    each with two new strands.
    one with two new strands and the other with two original str
    each with one new strand and one original strand.
    each with two original strands.
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  • Guanine pairs with
    Guanine
    Adenine
    Cytosine
    Thymine
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  • Cytosine pairs with
    Adenine
    Thymine
    Cytosine
    Guanine
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  • Thymine pairs with
    Cytosine
    Thymine
    Guanine
    Adenine
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  • Adenine pairs with
    Guanine
    Thymine
    Adenine
    Cytosine
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  • Which if the following are an example of cells that enter the G0 phase and stay there forever?
    bacteria cells
    skin cells
    liver cells
    nerve cells
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  • People who have leukemia, a cancer that affects white blood cells, are often given Cytarabine. This drug inhibits the synthesis of DNA. Which phase of the cell cycle is most affected by Cytarabine?
    S
    G0
    G2
    G1
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  • Which part of the model represents the S phase?
    IV
    III
    I
    II
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  • This model of the cell cycle includes two arrows that each represent a process in the cycle. What do the two arrows represent?
    Arrow 1 represents interphase, and Arrow 2 represents mitosi
    Arrow 1 represents mitosis, and Arrow 2 represents meiosis.
    Arrow 1 represents meiosis, and Arrow 2 represents prophase.
    Arrow 1 represents prophase, and Arrow 2 represents interpha
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  • What is the G0 phase of the cell cycle?
    The cell undergoes mitosis
    The phase of mitosis in which the chromosomes are crossing over
    A phase of interphase where the DNA is copied
    A phase outside of the cell cycle, where the cell is neither dividing or growing
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