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Chapter 8: The Cell Cycle

Practice Test
  1.Which of these is the stage in the cell cycle during which the cell prepares to divide?  
  a.   S  
  b.   G1  
  c.   G2  
  d.   M  
  2.What is the first step in the replication of DNA?  
  a.   DNA polymerase makes a new strand to pair with undamaged strand  
  b.   binding of enzymes to existing DNA  
  c.   unwinding of the double helix  
  d.   synthesis of a new matching strand for each existing strand  
  3.What is the result of the synthesis of DNA?  
  a.   one strand of DNA and its complementary RNA strand  
  b.   four single-stranded DNA molecules  
  c.   two double-stranded RNA molecules  
  d.   two double-stranded DNA molecules  
  4.What is the point at which the cell receives signals that tell it to commit to a full round of the cell cycle?  
  a.   division point  
  b.   restriction point  
  c.   premitosis  
  d.   G0  
  5.What is the narrow point near the center of the chromosome by which sister chromatids are attached?  
  a.   metaphase plate  
  b.   kinetochore  
  c.   centromere  
  d.   spindle  
  6.Eukaryotic cell division is part of a complex series of stages in the life of a cell, called ____________ .  
  a.   the cell cycle  
  b.   homeostasis  
  c.   circulation  
  d.   the life cycle  
  7.Once mitosis and cytokinesis are complete, what part of the cell cycle do the daughter cells enter?  
  a.   G1  
  b.   G0  
  c.   telophase  
  d.   prophase  
  8.What is the period in the cell cycle between cell divisions?  
  a.   telophase  
  b.   interphase  
  c.   metaphase  
  d.   anaphase  
  9.DNA strands are parallel but run in opposite directions. What is this arrangement known as?  
  a.   antiparallel structure  
  b.   alternate structure  
  c.   opposite structure  
  d.   parallel structure  
  10.What is a DNA-protein complex that allows DNA molecules to fit into a cell's nucleus?  
  a.   nucleosome  
  b.   leading strand  
  c.   replisome  
  d.   cytokinesis  

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