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Unit 3 Review

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