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Chapter 8: The Cell Cycle

Practice Test
  1.What is the period in the cell cycle between cell divisions?  
  a.   anaphase  
  b.   interphase  
  c.   metaphase  
  d.   telophase  
  2.What are the two copies of each chromosome made during the S stage of the cell cycle?  
  a.   sister chromatids  
  b.   sister replisomes  
  c.   nucleosomes  
  d.   centrioles  
  3.If checkpoint control proteins detect mistakes and damage during the cell cycle, the cell enters ________ so that repairs can be made.  
  a.   cell-cycle arrest  
  b.   cytokinesis  
  c.   nuclear division  
  d.   interphase  
  4.In an eukaryotic cell, what controls the stages of the cell cycle?  
  a.   proteins called cyclins  
  b.   DNA polymerase  
  c.   proteins called histones  
  d.   kinases  
  5.DNA strands are parallel but run in opposite directions. What is this arrangement known as?  
  a.   opposite structure  
  b.   antiparallel structure  
  c.   alternate structure  
  d.   parallel structure  
  6.Which of these is the stage in the cell cycle during which the cell prepares to divide?  
  a.   G2  
  b.   G1  
  c.   S  
  d.   M  
  7.Which is the correct order of the stages of mitosis, beginning with interphase of the cell cycle?  
  a.   prophase, metaphase, anaphase, telophase  
  b.   anaphase, telophase, prophase, metaphase  
  c.   telophase, prophase, metaphase, telophase  
  d.   metaphase, anaphase, telophase, prophase  
  8.What is the first step in the replication of DNA?  
  a.   synthesis of a new matching strand for each existing strand  
  b.   binding of enzymes to existing DNA  
  c.   unwinding of the double helix  
  d.   DNA polymerase makes a new strand to pair with undamaged strand  
  9.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.   G0  
  c.   premitosis  
  d.   restriction point  
  10.What is any change in the sequence of a cell's DNA?  
  a.   a restriction  
  b.   a mutation  
  c.   a replication  
  d.   a nuclear division  

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