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DNA & Cell Cycle Test Review

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  • Cytosine and Guanine are a nitrogen base pair that goes together. What type of chemical bond holds them together?
    weak hydrogen bond
  • True/False: One parent cell will produce two daughter cells each with half the DNA of the parent.
    False, each daughter cell will have the same amount of DNA as the parent cell.
  • The nitrogenous base that pairs with Thymine (T) is what?
    Adenine (A)
  • What is synthesized (created) during the S phase of the cell cycle?
    Another strand of DNA
  • What are the 2 main phases of the cell cycle?
    Interphase and Mitosis
  • What sugar is found in a nucleotide?
    deoxyribose
  • True/False: The cells in living things all contain nucleic acids that control the activities of the cell.
    True
  • What are chromosomes made of?
    DNA
  • True/False: It is possible for 2 different living species (example: yeast and human) to have places in their genetic code that are similar.
    True
  • What phase of mitosis is when the sister chromatids are pulling apart towards opposite ends?
    Anaphase
  • What can happen if cells divide too rapidly (go through mitosis too quickly)?
    Tumors (Cancer)
  • What type of biomolecule is deoxyribose?
    Carbohydrate
  • During which phase in the cell cycle could a person inhibit (prevent, slow down) the synthesis of DNA?
    S Phase
  • What molecule in living things codes for traits, such as tongue rolling, left-handed, and hair color?
    DNA (Deoxyribonucleic Acid)
  • What happens in the first step of DNA replication?
    The double helix strand of DNA separates
  • 4. What process in the cell cycle allows hair or fingernails to get longer?
    Mitosis
  • How many cells are produced in mitosis?
    2
  • A _______________________ is made of phosphate, deoxyribose (a sugar), and a nitrogen base.
    nucleotide
  • What happens to the nuclear membrane in prophase?
    It disappears
  • True/False: The cell spends most of its life in interphase preparing to split (go through mitosis) again.
    True
  • Another term for mitosis is ____.
    Cell Division
  • After DNA replicates in the synthesis phase, how much DNA is in the cell until mitosis occurs?
    Double
  • What is the correct order of bases that would pair up with one side of the double helix of DNA with this code? TACCGATTGC
    ATGGCTAACG
  • In what phase do sister chromatids move away from each other?
    Anaphase
  • What is occurring in a cell during the G0 phase?
    Nothing. It is resting.
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