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Cell Division IAN pg. 83. MAIN IDEAS Growth Development Repair Apoptosis Chromosome Histone Nucleosome Chromatin. Objective: Explain and identify specific components of cell division and why it is necessary using notes and peer interaction.

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slide1

Cell Division

IAN pg. 83

MAIN IDEAS

  • Growth
  • Development
  • Repair
  • Apoptosis
  • Chromosome
  • Histone
  • Nucleosome
  • Chromatin

Objective:Explain and identify specific components of cell division and why it is necessary using notes and peer interaction.

slide2
I. 3 functions of cell division in multicellular organisms

A. Growth – multicellular organisms add new cells to increase in size.

slide3
B. Development - Cells differentiate /specialize into specific tissues & organs. 210 types in the Human body.
slide5
C. Repair – Old or Damaged cells must be repaired or replaced.

1. Apoptosis – Old cells commit cell suicide, replaced by new cells

slide7
A. Eukaryote’s DNA organized in Loose strands or Chromosomes

1. Chromosome – DNA spooled & condensed/packed around proteins calledHistones

dna packaging ian page 82
DNA Packaging IAN page 82

DNA

Histones

Nucleosomes

Chromatin

Chromosome