Chapter 4 Study Guide Bio 169 • Individual body cells are specialized -Each type performs specific functions that help maintain homeostasis • Tissues are groups of cells that are similar in structure and perform a common function • Histology – study of tissues PRIMARY TISSUE TYPES: 1) Epithelial Tissue (or epithelium) is a sheet of cells that covers a body surface or lines a body cavity Forms boundaries Occurs in the body as covering and lining epithelium and glandular epithelium
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Unit 1: fundamentals of science. Title An investigation of an onion cell using a light microscope. Aim: The aim of this investigation is to identify the cells within an onion skin using a light microscope. An onion cell is a plant cell which through the light microscope‚ it should outline the cell wall‚ cell membrane and the nucleus. Introduction: Plant cells have a cell wall and cell membrane which animal cells do not have. The cell wall provides support and is relatively rigid‚ which consists
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FROM “ONION” TO “OCEAN” 71 71 Tony Fang is assistant professor of international business at Stockholm University‚ SE-106 91 Stockholm‚ Sweden (tel.: +46 8 163063; fax: +46 8 674 74 40; e-mail: tony.fang@fek.su.se). The author thanks Urapa Joy Watanachote (Thailand)‚ Joost Stel (Netherlands)‚ George Kakhadze (Georgia)‚ Satu Penttinen (Finland)‚ and Gabriel de Mello Pratellesi (Brazil) for personal communications about their respective countries discussed in this paper. The author also thanks
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PLANT TISSUES (pp 261-268) HOW ARE CELLS ORGANIZED IN PLANTS? I. MERISTEMATIC TISSUES A. APICAL MERISTEMS Primary Growth 1. Initials a. Occur near tips of roots and shoots b. Cells have thin walls‚ prominent nuclei‚ and small vacuoles c. Functions 1) Establish patterns of growth. • Leaf pattern. 2) Produce new‚ genetically healthy cells 3) Produce derivatives which in turn account for primary growth i.e. elongation. 2. Derivatives a. Protoderm - becomes
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This article from The Onion addresses the way that today’s scientific research is conducted and makes fun of how the source of funding for an experiment can influence its results. Interpreted plainly‚ the article claims that a new step has been added the scientific method: after a hypothesis is made‚ funding must be found. Then‚ based on who is funding the research and the sponsor’s desire‚ researchers must then align their study so it gets the results the funders want. The organization in charge
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Commercialising from the bottom up: Onions in central Tanzania Draft Copy By Khamaldin Mutabazi‚ Ntengua Mdoe & Steve Wiggins Key points: • With minimal assistance and direction‚ small farmers in central Tanzania have created thriving plots of irrigated onions‚ marketed in Dar‚ other parts of Tanzania and in the region. • Lack of formal credit has not prevented many farmers fertilising their crops heavily. Two villages have been able to overcome poor road access. • Informal marketing work well
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Buried Onions What is an American Dream? Easy as a simple thought of the mind‚most people might come to the conclusion that it’s an object or idea. Most might even reply saying its a stability of life in this case it is. In the book Buried Onions‚ Eddie had longed for a simple American Dream to call his own. As if life couldn’t get worse for Eddie‚ life itself had thrown a few onions down his road. Making it bewildering for Eddie to choose a direction to be substantially in his neighborhood.
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“Monologue for an onion” by Suji Kwock Kim The poem “Monologue for an onion” by Suji Kwock Kim begins with the peeling of an onion that could very well describe her and her agony‚ but further reading reveals that the majority of the poem is directed at the person doing the peeling. The reader cannot help but sympathize with the peeled onion‚ whether the emotions stem from the hurt state of the onion or from the aggressive peeler. Clearly the poet’s attack of the peeler grabs the attention of
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Name: __________________ Due: __________________ Buried Onions Independent Investigation A. Complete the activities as you read Buried Onions. These activities will help you to THINK about what you are reading and interact with the text. B. Write neatly. C. Number and label each element to provide organization. D. One page (in your journal for each activity). 1. Setting: Describe an element from the chapter that relates‚ supports‚ states‚ or implies the time period of the novel
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Urbina Post Harvesting Onion Basic Storage & Handling Tips for Dry Bulb Onions: Always handle onions with care. Do not drop onions as this often causes bruising and internal decay. Bagged or boxed onions should be stored at least one foot away from walls and other pallets to allow proper air movement. Keep stacks of bags or boxes at five feet or less. Store onions in a cool‚ dry‚ well-ventilated area. Maintain storage temperature of 45-55°F. Do not wrap onions in plastic or store in plastic
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