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Chapter 8: The Cell Cycle

Practice Test
      
  1.Once mitosis and cytokinesis are complete, what part of the cell cycle do the daughter cells enter?  
  a.   G1  
  b.   prophase  
  c.   telophase  
  d.   G0  
  Hint    
      
  2.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.   the life cycle  
  d.   circulation  
  Hint    
      
  3.If checkpoint control proteins detect mistakes and damage during the cell cycle, the cell enters ________ so that repairs can be made.  
  a.   nuclear division  
  b.   cytokinesis  
  c.   interphase  
  d.   cell-cycle arrest  
  Hint    
      
  4.What is the first step in the replication of DNA?  
  a.   binding of enzymes to existing DNA  
  b.   unwinding of the double helix  
  c.   DNA polymerase makes a new strand to pair with undamaged strand  
  d.   synthesis of a new matching strand for each existing strand  
  Hint    
      
  5.Which of these cells in the human body, when mature, do not normally divide?  
  a.   stem cells  
  b.   liver cells  
  c.   skin cells  
  d.   nerve cells  
  Hint    
      
  6.In what stage of the cell cycle are most cells found in adult multicellular organisms?  
  a.   G2  
  b.   S  
  c.   G0  
  d.   G1  
  Hint    
      
  7.What is the result of the synthesis of DNA?  
  a.   one strand of DNA and its complementary RNA strand  
  b.   two double-stranded RNA molecules  
  c.   four single-stranded DNA molecules  
  d.   two double-stranded DNA molecules  
  Hint    
      
  8.DNA strands are parallel but run in opposite directions. What is this arrangement known as?  
  a.   parallel structure  
  b.   antiparallel structure  
  c.   opposite structure  
  d.   alternate structure  
  Hint    
      
  9.What is the narrow point near the center of the chromosome by which sister chromatids are attached?  
  a.   metaphase plate  
  b.   spindle  
  c.   centromere  
  d.   kinetochore  
  Hint    
      
  10.What is the period in the cell cycle between cell divisions?  
  a.   telophase  
  b.   metaphase  
  c.   interphase  
  d.   anaphase  
  Hint    

 
   
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