Hrincevich_CH_11_first_half_student_outline_on_MITOSIS

Hrincevich_CH_11_first_half_student_outline_on_MITOSIS -...

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The Continuity of Life: Cellular Reproduction Chapter 11
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Understanding Cell Division What instructions are necessary for inheritance? How are those instructions duplicated for distribution into daughter cells? By what mechanisms are instructions parceled out to daughter cells?
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Reproduction Parents produce a new generation of cells or multi-celled individuals like themselves Parents must provide daughter cells w/ hereditary instructions, encoded in DNA, and enough metabolic machinery to start up their own operation
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The Cell Cycle and Cellular Reproduction Intracellular activities between one cell division to the next is the cell cycle Some activities involve growth (enlargement) of the cell Some activities involve duplication of genetic material and cellular division (reproduction) Some organisms reproduce asexually
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bud
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Division Mechanisms Prokaryotic Eukaryotic organisms Prokaryotic fission Eukaryotic organisms Mitosis Meiosis
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Prokaryotic Division Also called “binary fission” The single chromosome in bacteria makes the cell cycle less complex Steps 1. Chromosome replicates 2. Chromosomes attach to membrane 3. Membrane elongates 4. Membrane pinches inward
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Prokaryotic Division 1. 2. 3. 4.
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Prokaryotic Division 1. 2. 3. 4.
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Prokaryotic Division 1. 2. 3. 4.
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1. 2. 3. 4. Prokaryotic Division
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Prokaryotic Division 1. 2. 3. 4.
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Division Mechanisms Prokaryotic Eukaryotic organisms Prokaryotic fission Eukaryotic organisms Mitosis Meiosis Focus of this chapter
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Roles of Mitosis Multi-celled organism Growth Cell replacement
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This document was uploaded on 10/26/2011 for the course BIOL 1001 at LSU.

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Hrincevich_CH_11_first_half_student_outline_on_MITOSIS -...

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