Biology, Eighth Edition (Raven)

Chapter 10: How Cells Divide

Learning Outcomes

Chapter 10
  • Discuss the molecular composition of eukaryotic chromosomes and their association with RNA, histones, and nucleosomes.
  • Describe the structure of a condensed eukaryotic chromosome and identify the structure that most accurately indicates the number of chromosomes present in a given cell.
  • Understand the differences between heterochromatin and euchromatin.
  • Understand the genetic composition of individual eukaryotic chromosomes, chromosome pairs, and sex chromosomes.
  • Identify the five phases of the cell cycle and describe the events that highlight each stage.
  • Identify the four stages of mitosis and describe the most characteristic events of each stage.
  • Understand the composition and function(s) of the spindle apparatus.
  • Understand the purpose of mitosis in terms of the genetic composition of progeny cells and the survival of a given cell line.
  • Explain how mitosis differs in plant and animal cells.
  • Describe the process of cytokinesis in both animals and plants.
  • Understand how cyclin-dependent kinases and cyclins control the cell cycle normally and in cancer.
  • Identify several growth factors and describe how they affect cell division.
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