L11_CellCycle - The Cell Cycle and Mitosis Dr. Michael...

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1 The Cell Cycle and Mitosis Dr. Michael Henshaw BIO 120 - General Biology I Winter 2008 Lecture# - 11 Associated Reading – Ch. 12, Campbell
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2 Study Guide Why do cells divide? What does somatic mean? Haploid? Diploid? Genome? What happens in each step of the cell cycle including interphase, Mitosis and cytokinesis? What is a sister chromatid? Homologous chromosome? Centromere? Centrosome? Kinetochore? What is the mitotic spindle? What are its functions and how does it accomplish them? How do bacteria divide? How is cellular division controlled?
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3 Cell division is an integral part of the cell cycle , the life of a cell from formation to its own division In unicellular organisms, division of one cell reproduces the entire organism Multicellular organisms depend on cell division for: Development from a fertilized cell Growth Repair
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4 Cell division results in daughter cells that each contain an identical copy of the genetic material Cells duplicate their genetic material before they divide, ensuring that each daughter cell receives a copy of the genetic material, DNA The totality of a cell’s DNA is its genome DNA is divided into pieces called chromosomes
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5 Every species has a characteristic number of chromosomes in each cell Somatic
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This note was uploaded on 04/17/2008 for the course BIO 120 taught by Professor Throgerson during the Winter '08 term at Grand Valley State University.

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L11_CellCycle - The Cell Cycle and Mitosis Dr. Michael...

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