Biology 1201 Chapter 12 notes

Biology 1201 Chapter 12 notes - Biology 1201 Chapter 12...

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Biology 1201 Chapter 12 notes Chapter 12 THE CELL CYCLE >>>>>> Cell division functions in reproduction, growth, and tissue renewal (see fig. 12.2) --- Cell division --- Genome Some characteristics of cell division -Replication of DNA -Equal distribution of DNA to opposite ends of the dividing cell -separation into two daughter cells The Eukaryotic Cell Cycle - 12.1.1 >>>>>The genome of a eukaryotic cell is organized into multiple chromosomes (see fig. 12.3) --- Chromosomes -Each species has a characteristic number of chromosomes in the somatic cells . - Gametes (Reproductive cells) contain half the number of chromosomes of somatic cells. -The chromosome is made up of chromatin --- Somatic cells --- Gametes >>>>>Mitosis alternates with interphase during the cell cycle . --- Cell cycle (see fig. 12.5)
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-The length of time required for a cell cycle varies with cell type and growth conditions --- Interphase -Interphase makes up about 90% of the cell cycle Interphase consists of three phases: 1. G1 phase (gap one)
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Biology 1201 Chapter 12 notes - Biology 1201 Chapter 12...

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