Bio Lecture 13 Notes Dividing the Cell

Bio Lecture 13 Notes Dividing the Cell - Unit IV: Dividing...

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Unit IV: Dividing the Cell Lecture 13: Cell cycle, mitosis Lecture 14: Meiosis Dr. Marcelo Wood
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Lecture 13: Cell cycle, mitosis Monday 10/23/09 Reading Chapter 12 Pgs 228-237 Pre-Lecture Quiz
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Cell division: essential in all organisms Reproduction and growth Single celled ameoba Multicellular Mammalian
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Cell division continues throughout life of multicellular organisms Replacement and repair
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A red blood cell (RBC) has a 120-day life span.
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The cell cycle: cell growth and division Interphase : G1: synthesis of macromolecules and cytoplasmic organelles S: DNA replicated G2:additional growth Mitotic phase Mitosis Five subphases Cytokinesis (growth) preparation for M
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Chromosome is a single DNA molecule Interphase: S DNA undergoes replication DNA condenses and forms sister chromatids • identical copies of DNA joined at the centromere histone
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equal distribution of genetic material to 2 daughter cells
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This note was uploaded on 11/19/2010 for the course BIOLOGY 93 taught by Professor O during the Spring '08 term at San Diego.

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Bio Lecture 13 Notes Dividing the Cell - Unit IV: Dividing...

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