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Unit 3 Review

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