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Class Notes for Health Sciences at Florida International University

HSC 2100 Lecture Notes - Lecture 48: William Farrer, Heterosis, Zygosity
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Gene Section of DNA that codes for a specific trait A discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA Hybridisation Hybridisation is the crossbreeding of two genetically nonident...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 49: Homologous Chromosome, Haemophilia, Color Blindness
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Crossing Over Crossing over of genetic material during meiosis results in the exchange of genes between the homologous chromosome pairs The combinations of alleles of the gametes will vary across cells and differ from the ...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 47: Paleontology, Comparative Anatomy, Biogeography
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Alfred Wallace English Naturalist worked in Malaysia and developed idea of natural selection independent on Darwin Who is Alfred Wallace and what did he propose? Theory of evolution by natural selection; same theory as D...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 50: Edward Tatum, George Beadle, Radiography
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mRNA Messenger ribonucleic acid A type of RNA, synthesised from DNA, that attaches to ribosomes in the cytoplasm and specifies the primary structure of a protein; acts as messenger between nucleus and ribocomes Codon A seq...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 51: Artificial Insemination, Asexual Reproduction, Genetic Engineering
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Anther Male part of the flower where sperm (pollen) are produced by meiosis Stigma The tip of the female reproductive structure of a flower where the pollen lands Artificial semination Artificially controlled reproduction,...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 46: Arterial Blood Gas, Cross-Matching, Emulsion
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Arterial blood gas analysis Requires sample of blood from patient, which is run through an arterial blood gas analysis machine. Invasive test. -Measures oxygen, carbon dioxide and bicarbonate ion concentration -Measur...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 40: Hemoglobin, Osmoregulation, Cellular Respiration
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Adaptive advantages of haemoglobin 4 bonding places (heme groups) for oxygen binding available on each haemoglobin molecule Ability of haemoglobin to bind with oxygen increases with each subsequent oxygen molecule Capacity...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 42: Osmoregulation, Plant Cell, Passive Transport
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Hypertonic solution Solution that has a higher solute and lower water concentration relative to another solution Causes animal cells to become shrivelled and plant cells to become plasmolyzed Plasmolyzed cell Plant cell th...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 37: Negative Feedback, Homeostasis, Positive Feedback
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Biological homeostasis The maintenance, by an organism, of a constant internal state, regardless of external environmental change Feedback mechanism System of monitoring changes to a system and implementing controlling mea...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 38: Macrotis, Evaporative Cooler, Vasoconstriction
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Vertabrates Includes those who possess a skull or cranium and a segmented spinal column Eg, humans, leopards, sharks, birds, tortoises Adaptions of endotherms to cold evironments Insulation Vasoconstriction prevents heat l...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 45: Estuary, Fludrocortisone, Cellular Respiration
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Fludrocortisone Acts as an aldosterone substitute by increasing sodium retention in the blood, which encourages water reabsorption at the nephron through osmosis. Corrects blood pressure. RISKS Humans cannot rely on their ...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 41: Cellular Respiration, Vascular Bundle, Capillary Action
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Changes in blood at the small intestines Increase in glucose, vitamins, amino acids and lipids Normal cellular respiration also occurs Changes in blood at the liver Decrease in glucose, amino acids and lipids from the bloo...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 44: Dialysis, Artificial Kidney, Extracellular Fluid
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Leucocytes White blood cells Contain a nucleus, involved in protection against disease Platelet Releases thromboplasic enzyme which clots blood Interstitial fluid Fluid found in organisms that is between cells Nephron filt...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 43: Connecting Tubule, Hemoglobin, Osmosis
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Proximal tube First tubule of the kidney, Found between the Bowmans capsule and the loop of Henle Location where active reabsorption of nutrients into the blood occurs based on brain feedback, water movement thus follows v...

Health Sciences
HSC 2100
James Crawlynn
HSC 2100 Lecture Notes - Lecture 39: Cellular Respiration, Photosynthesis, Glycerol
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pH scale 014 Saturation point Enzymes The point at which the concentration of reactants exceeds the availability to enzymes, thus after this point increasing reactant concentration will have no impact on enzyme activity M...

Health Sciences
HSC 2100
James Crawlynn

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