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Chapter 8: The Cell Cycle

Practice Test
  1.DNA synthesis occurs continuously on only one of the original DNA strands. What is this strand called?  
  a.   the histone strand  
  b.   the leading strand  
  c.   the lagging strand  
  d.   the discontinuous strand  
  2.DNA strands are parallel but run in opposite directions. What is this arrangement known as?  
  a.   alternate structure  
  b.   parallel structure  
  c.   antiparallel structure  
  d.   opposite structure  
  3.Once mitosis and cytokinesis are complete, what part of the cell cycle do the daughter cells enter?  
  a.   G0  
  b.   prophase  
  c.   G1  
  d.   telophase  
  4.Which of these is the stage in the cell cycle during which the cell prepares to divide?  
  a.   S  
  b.   M  
  c.   G1  
  d.   G2  
  5.What are the stages of the cell cycle in which the cell grows and synthesizes RNA, proteins, and other macromolecules?  
  a.   S and GO  
  b.   G1 and G2  
  c.   G2 and S  
  d.   G1 and M  
  6.What is the enzyme that catalyzes the formation of the new DNA strands?  
  a.   kinase  
  b.   cyclin  
  c.   histone  
  d.   DNA polymerase  
  7.Once mitosis is complete, what must occur before cell division is complete?  
  a.   passing the restriction point  
  b.   cytokinesis  
  c.   DNA replication  
  d.   nuclear division  
  8.What is the narrow point near the center of the chromosome by which sister chromatids are attached?  
  a.   centromere  
  b.   kinetochore  
  c.   metaphase plate  
  d.   spindle  
  9.What is any change in the sequence of a cell's DNA?  
  a.   a nuclear division  
  b.   a restriction  
  c.   a mutation  
  d.   a replication  
  10.What is the result of the synthesis of DNA?  
  a.   two double-stranded DNA molecules  
  b.   one strand of DNA and its complementary RNA strand  
  c.   four single-stranded DNA molecules  
  d.   two double-stranded RNA molecules  

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