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    Stem Cells and Their Niche

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    References: Alonso‚ L.‚ and Fuchs‚ E. (2003). Stem cells in the skin: waste not‚ Wnt not. Genes Dev. 17‚ 1189–1200. Baksa‚ K.‚ Parke‚ T.‚ Dobens‚ L.L.‚ and Dearolf‚ C.R. (2002). The Drosophila STAT protein‚ Stat92E‚ regulates follicle cell differentiation during oogenesis. Dev. Biol. 243‚ 166–175. Betschinger‚ J.‚ Mechtler‚ K.‚ and Knoblich‚ J.A. (2003). The Par complex directs asymmetric cell division by phosphorylating the cytoskeletal

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    Longevity pathways converge on autophagy genes to regulate life span in Caenorhabditis elegans Autophagy‚ translated from Greek means to ‘self eat’. It is a basic catabolic mechanism involving cell degradation of unwanted or dysfunctional cellular components through the lysosome. Autophagy has been speculated to alter lifespan in organisms. Autophagy is triggered in response to varied stress and physiological conditions like food deficit‚ hyperthermia‚ etc. At molecular level‚ an autophagy pathway

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    Black Like Me Themes

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    community. He embarked this journey as a transformed black man for six weeks throughout the southern states which included Alabama‚ Georgia‚ Louisiana‚ Mississippi‚ Alabama‚ and Arkansas. Griffin is being funded to do this project by Sepia Magazine. In exchange‚ Sepia will be given rights by Griffin to print his experiences as a series of articles. This book has received the Anisfield-Wolf Book Award.           Griffin‚ being the narrator and author of this book‚ took a personal approach in writing

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    Fruit Fly Lab Report

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    To perform this study and observe the behaviors and reactions of Drosophila melanogaster and how they respond to different stimuli and repellents‚ the research members decided to use mutant fruit flies‚ for this reason they lacked wings‚ making their manipulation simpler. In order to carry out this study it was necessary to first obtain an adequate number of flies to observe them throughout the weeks. The research members had the flies accompanied with larvae in stock vials‚ and later transferred

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    Biology‚ 7e (Campbell) Chapter 15: The Chromosomal Basis of Inheritance Chapter Questions 1) Chromosomes and genes share all of the following characteristics except that A) they are both present in pairs in all diploid cells. B) they both undergo segregation during meiosis. C) their copy numbers in the cell decrease after meiosis‚ and increase during fertilization. D) they are both copied during the S phase of the cell cycle. E) they both pair up with their homologues during

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    Wizard Of Oz Essay

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    The first sequence of the movie was set in Kansas. This sequence in the movie was colored in sepia exemplifying the blandness of the setting. This sepia tonality was coupled with harsh light‚ lowering the contrast. Once Dorothy arrived in Oz‚ the coloring shifted to vibrant Technicolor and a soft light. The score of the film has eerie association with its characters‚ winning

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    A Semiotic Approach on How Meaning can Be Created In An Audience “Human intellectual and social life is based on the production‚ use‚ and exchange of signs” (Danesi‚ 2002) As Danesi (2002) states‚ signs are an integral part of society; from watching television‚ listening to music‚ reading‚ writing or talking‚ we are engaged in sign based behaviour. This engagement with signs is known as the study of semiotics. Dating back to 460-377BC‚ with the founder of Western medical science‚ Hippocrates

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    Oliver Breitenstein Development of a Flapping Wing Mechanism Semester Project Autonomous Systems Lab (ASL) Swiss Federal Institute of Technology (ETH) Zurich Supervision Dr. Samir Bouabdallah‚ Stefan Leutenegger and Prof. Dr. Roland Siegwart Spring Semester 2009 Contents Abstract Acknowledgements 1 Introduction 2 Review 2.1 Aerodynamics of flapping wings . 2.1.1 Wagner Effect . . . . . . . 2.1.2 Leading edge vortex . . . 2.1.3 Clap and fling mechanism 2.1.4 Rotational lift . . .

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    Genetic Linkage

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    and the distances in map units between the genes. 4. The R and S loci are 35 mu apart. If a plant of the genotype R S r s is selfed‚ what progeny phenotypes will be seen and in what proportions? 5. The allele b gives Drosophila flies a black body and b+ gives brown‚ the wild-type phenotype. The allele wx of a separate gene gives waxy wings and wx+ gives nonwaxy‚ the wild-type phenotype. The allele cn of a third gene gives cinnabar eyes and cn+ gives red‚ the wild-type

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    Botney

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    SCHEME OF EXAMINATION FOR B.Sc. (ZOOLOGY) SEMESTER SYSTEM w.e.f. Session 2011-12 Scheme of B.Sc. 1st Year Semester I Sr. No. 1. 2. 3. 4. 5. Paper code 1.1 1.2 P-101 2.1 2.2 Nomenclature Life and Diversity from Protozoa to Porifera and Cell Biology – I Life and Diversity from Coelentrata to Helminthes and Cell Biology – II Practical Marks+IA 40+10 40+10 40+10 40+10 40+10 40+10 300 Periods / week 4 4 4 4 4 4 Exam. Duration 3 hrs. 3 hrs. 3hrs. 3 hrs. 3 hrs. 3hrs. Semester II Life and Diversity

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