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lecture 20 W11 - Today’s topics 1 The purpose of the cell...

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Unformatted text preview: Today’s topics 1) The purpose of the cell cycle and mitosis 2) The stages of the cell cycle 3) The stages of mitosis 4) How photobleaching was used to help understand chromatid separation during anaphase Lecture 20 (2/25/11) - The cell cycle & mitosis Molecules; Chemical bonds; Free energy Lipids Amino acids nucleotides carbohydrates membranes proteins Membrane transport Membrane proteins cytoskeleton enzymes DNA RNA Metabolism Sugar transport Electrolyte transport Kidney Nerve cells Muscle & movement Transporters and pumps Receptors Cell-cell communication Chemical signaling development Replication transcription translation Glycolysis Fermentation Krebs cycle Photo- Synthesis & Calvin cycle Cell cycle Regulation of transcription biotechnology genomics Microbes & viruses Biology 172 flowchart (lecture 21) What is the purpose of Mitosis? • Meiosis is a division of the genetic material in the nucleus to produce daughter cells with one-half the amount of hereditary material found in the parent cell. Meiosis is involved only in the production of gametes (eggs and sperm); it is the basis of sexual reproduction and genetic inheritance. • Mitosis is a division of the genetic material in the nucleus that produces daughter cells genetically identical to the parent cell. Mitosis is the basis of asexual reproduction and is involved only in the production of somatic (body) cells . •...
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lecture 20 W11 - Today’s topics 1 The purpose of the cell...

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