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Chapter 5 Reading 5.10, 5.11, 5.12, 5.13, 5.14, 5.15 Important Concepts Energy Definition of energy Forms of energy Chemical reactions ATP, the energy molecule Energy coupling Enzymes
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Chapter 6 Reading 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.10, 6.11, 6.12, 6.13, 6.15 26.7, 26.8 Important Concepts Energy Metabolism: Cellular Respiration Energy flow through the biological world Chemical equation of cellular respiration Oxidation/Reduction reactions Glycolysis, TCA cycle, Electron transport ATP synthesis Fermentation Protein and fat metabolism Metabolism and disease
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Chapter 7 Reading 7.1, 7.2, 7.3, 7.4, 7.5, 7.6, 7.7, 7.8, 7.9, 7.11 Important Concepts Energy Metabolism: Photosynthesis Plant Cells and Chloroplasts Chemical equation of photosynthesis Properties of light and pigments ATP and NADPH synthesis (light reactions) Glucose synthesis (Calvin cycle)
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Chapter 8 Reading 8.1, 8.2, 8.4, 8.5, 8.6, 8.9, 8.11, 8.12, 8.13, 8.14, 8.15, 8.17, 8.19, 8.20, 8.21 10.4 Important Concepts Cell Reproduction: Mitosis and Meiosis Mitotic cell divisions and cell number Chromosomes and karyotypes Aneuploid Syndromes Mitotic cell cycle DNA replication M-phase (prophase, metaphase, anaphase, telophase)
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Glycolysis “Splitting of glucose” into two 3-carbon molecules TCA Cycle (Citric acid cycle, Krebs Cycle) Some ATP synthesis Some NADH synthesis (takes up electrons) CO 2 production Some ATP synthesis Some NADH synthesis (takes up electrons) Electron Transport (Oxidative Phosphorylation) NADH gives up electrons O 2 converted to H 2 O Lots of ATP synthesis!!!!! Cellular Respiration
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Brown Fat and Heat Generation Brown fat cells
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Uncoupling Electron Transport from ATP SynthesisUncoupling Electron Transport from ATP Synthesis Inner Mitochondrial Membrane
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Regulation of Blood Glucose Hormone: Insulin Insulin is produced in the pancreas Insulin stimulates: Glucose uptake Glycogen synthesis Glycolysis/TCA cycle
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Insulin Hormone Made in the pancreas Response to high glucose
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Type I Diabetes Autoimmune Disease At risk for: Diabetic ketoacidosis (coma) Kidney failure Failure to produce insulin Circulatory problems
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Tumor Development
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No O 2 Cancer Cells
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PET Scanning for Tumors Lymphoma with brain, chest and spleen involvement Radioactive glucose injection Wait ~ 45 minutes PET scan
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Time Mitotic Cell Division
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Human Haploid Chromosome Set
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Y58 Mbp397 5 2 13 3 6 4 7 8 9 11 10 14 12 15 16 17 19 20 18 21 X 22 1 ChromosomeDNA sizeGene #ChromosomeDNA SizeGene # 155 Mbp1606 83550 Mbp 47 Mbp425 62 Mbp857 64 Mbp1992 76 Mbp517 79 Mbp1714 89 Mbp1318 100 Mbp1202 106 Mbp1453 3380247 Mbp 243 Mbp2204 1760200 Mbp 191 Mbp1361 181 Mbp1536 1959171 Mbp 159 Mbp1764 1247146 Mbp 140 Mbp1435 1305135 Mbp 134 Mbp2051 132 Mbp1629 649114 Mbp
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Human Karyotypes FemaleMale
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Homologous Chromosomes PM P = Paternal M = Maternal
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Human Haploid Chromosome Set or
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X Chromosome 155 Million base pairs (bp) 1606 Genes Muscular Dystrophy (Duchenne) Adrenoleukodystrophy Hemophilia A Hemophilia B Green Color Blindness Red Color Blindness X-linked Traits
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X Chromosome FemaleMale
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Y Chromosome 58 Million base pairs (bp) 397 Genes
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Down Syndrome Karyotype Trisomy 21
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Frequency of Aneuploid Syndromes
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Amniocentesis Karyotype analysis 14-16 weeks Fig. 24-11 Pg. 644
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