Chapter 2 Integrin Structure and Function Manakan Betsy Srichai and Roy Zent Abstract Integrins are a large family of heterodimeric glycoprotein receptors first discovered over twenty years ago. They exist as two noncovalently bound a- and b- subunits that function as adhesion molecules and play key roles in many biological processes including actin cytoskeleton organization and transduction of intracellular signals regulating cellular functions. Integrins bind a variety of extracellular matrices
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BSCI422 Immunology January 26‚ 2010 Lecture 1 Introduction to the class Went over syllabus Student expectations BSCI422 Immunology January 27‚ 2010 Lecture 2 Innate Immunity‚ the signal transduction and cytokine production When you’re exposed to a microbe‚ your body has innate immune responses that can kill the microbe right away‚ there is no recovery or memory period. It is the very first response. If you amount an affective innate immune response‚ you don’t need to develop an adaptive
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if you have any questions 1. Which of the following is NOT a common consequence of mutations that eliminate cell-cycle checkpoints? A. polyploidy B. increased chromosomal translocations C. increased DNA damage D. aneuploidy E. Increased apoptosis 2. Attenuation is fine tuning of gene regulation of operons for enzymes associated with anabolic (chemical building) pathways‚ such as the Trp operon for tryptophan synthesis. Which of the following is NOT true about this system: A. Tryptophan
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Question1. In approximately 500 words‚ describe the routhes and mechanisms of the spread of lung cancer. Metastasis is a term referring to the process by which cancer cells spread from the primary site to a distant site characterised by increased proliferation and invasiveness of the tumour cells (Engelking & cady‚2008). It occurs in the final stage of cancer development and is least responsive to cancer treatment‚ contributing to the most common cause of death in cancer patients (Stafford
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Section 1: Binary fission‚ mitosis‚ & meiosis Reading: Chapter 7 Watch and Learn: Mitosis http://www.youtube.com/watch?v=1cVZBV9tD-A&feature=share&list=UUEik-U3T6u6JA0XiHLbNbOw Meiosis http://www.youtube.com/watch?v=rB_8dTuh73c&feature=share&list=UUEik-U3T6u6JA0XiHLbNbOw Basic Learning objectives After completing the readings and practice exercises‚ students should be able to: Describe the process of binary fission. Describe the features and components of eukaryotic chromosomes and sister
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LIVING THINGS * All living things come from other living things. * Ex: One single celled organism to another * DNA is copied & passed to offspring * The signature molecule of life * Ex: embryo- cells continually divide & develop EVOLUTION * Why do some organisms seem suited for their environment * Ex: Hummingbird- long beak for nectar in certain flowers * Ex: Cheetahs- take down faster prey * Adaptation- inherited characteristic that
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Hereditary Breast Cancer: The Implications of Genetic Mutations Nicole Kownacki Felician College Abstract The purpose of this paper is to examine the role genetics play related to hereditary breast cancer and the options available for risk reduction and prevention. Four published articles‚ two medical databases and a genetic focused website were examined during the process of this research. Breast cancer is one of the leading causes of death amongst women and heredity is second only to age
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A Prion is a normal protein that is found on the membranes of cells. The normal Prion protein (PrPC) consist mainly alpha helix rich 30-35kDa glycoprotein with 209 amino acid sequence and one disulfide bond (1). The disease causing form of normal prion protein named after scrapie (PrPSc) occurs when properly folded normal prion protein change its conformation. Although the exact tertiary structure of PrPSc still remains elusive but the previous studies have shown that the secondary structure of
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Bataan National High School City of Balanga Oregano and Mayana Extract as an Eggplant Shelf Life Enhancer By: Mary Faith C. Delas Alas Submitted To: Mrs. Analyn J. Dabu Table of Contents Title . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Abstract. . . . . .
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Jordan P. Santos 2010-32197 Comparison of Total Leaf Polyphenols and Gallic Acid Content of Camellia sinensis and the Fifteen Most Speciose-Genera in Philippine Flora Chapter I Introduction Background of the Study In 2008‚ cancer topped the list of disease-causing deaths summing a count of 7.6 million deaths around the globe which is 13% of all recorded mortalities according to the World Health Organization. The complicated nature of the disease itself was responsible for its increasing
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