Alcohol Facts and statistics ( www.niaaa.nih.gov-2012 ) Global Burden of alcohol abuse‚ In 2012‚ 3.3 million deaths‚ or 5.9 percent of all global deaths (7.6 percent for men and 4 percent for women)‚ were attributable to alcohol consumption.. Alcohol contributes to over 200 diseases and injury-related health conditions‚ most notably alcohol dependence‚ liver cirrhosis‚ cancers‚ and injuries. In 2012‚ alcohol accounted for 5.1 percent of disability adjusted life years (DALYs) worldwide. Globally‚
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½Give an account of the structure and properties of Biological membranes. Include details of the modifications of membrane structure found in different specialised cells and organelles½ The Fluid Mosaic model was codified by Singer and Nicolson in 1972. It describes the structure and properties of the cell membrane very simply. Every membrane consists of a Phospholipid bilayer. This is simply two layers of phospholipid molecules that come together due to their unique properties. The heads of the
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seen in our world today effect that developing offspring? Does drug or alcohol abuse actually hurt the unborn child? What about the mental health of the carrying mother; would depression or other mental illnesses hurt the baby? Do eating habits or exercise actually produce different traits once the child is born? During pregnancy‚ ingesting and doing a wide variety of things can cause several various effects on the unborn child of the mother depending on the activity. Alcohol use during pregnancy
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youth is Bombarded with the ill effects on the health of the user of the mobile phones‚ does this information‚ in any way‚ impact the usage of the phone by the youth? How does mobile affect the relationship of the user and her/ his close relationships? The whole world is accepting and adopting the ways towards the advancement of technology. The youth is playing a vital role in this rapid pace. The strong and mighty cultures are toppling the frail ones. Cell phones affect our built environment
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Membrane Transport Christopher Gaita‚ Deija Williams‚ Elisabeth Johnston & Megan Lade University of Phoenix (Online Campus) Amy Sullivan Introduction: Membrane Transport • What is membrane transport • Types – – – – Diffusion Osmosis Active Transport Endocytosis/Exocytosis Photo Courtesy Of: http://hyperphysics.phy-astr.gsu.edu/hbase/biology/celmem.html Osmosis • Example: A semipermeable membrane bag containing a 30% sugar solution is placed in a beaker of pure water. – Diffusion or osmosis
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ALCOHOLS‚ ETHERS‚ AND PHENOLS Juris Marie G. Garcia Institute of Chemistry‚ University of the Philippines‚ Diliman‚ Quezon City Date Performed: February 27‚ 2015 Date Submitted: March 06‚ 2015 Answers to Questions: 1.) Balanced equations: A. Lucas Test Test Sample Equation Ethyl Alcohol C2H5OH + HCl + ZnCl2 C2H5Cl + H2O Isopropyl Alcohol (CH3) 2CHOH + HCl (CH3) 2CHCl + ZnC2 + H2O Tert-butyl Alcohol (CH3) 3COH + HCl + ZnCl2 (CH3) 3CCl + ZnCl2 +H2O Benzyl Alcohol C6H5CH2OH + HCl + ZnCl2
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upper and lower lids. Remove contact lenses‚ if worn‚ while rinsing. Immediate medical attention is necessary. b. Chemical : Etanol i. Oral exposure Ans : Intoxicating if ingested. (If ingested in undiluted form‚ it has a severe drying effect on mucous membranes of mouth and throat.) NEVER MAKE AN UNCONSCIOUS PERSON VOMIT OR DRINK FLUIDS. Wash out mouth thoroughly‚ and give plenty of water to drink. Do not induce vomiting. Get medical attention immediately. ii. Inhalation exposure Ans
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Exercise 1 Cell Transport Mechanisms and Permeability Activity 1: Simulating Dialysis (Simple Diffusion) • Describe two variables that affect the rate of diffusion: Two variables that affect the rate of diffusion are size and concentration gradient. The molecular size vs the MWCO size of the membrane can either increase‚ decrease‚ or prevent diffusion. The greater the concentration gradient the greater the diffusion rate due to molecules moving from areas of higher concentration to areas
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Professor Shannan Lewis-Blair‚ M.S. Submitted By: Kara Hackett‚ Ryan Ritchie & Angie Wagoner Kara_Hackett@pba.edu‚ Ryan_Ritchie@pba.edu & Angie_Wagoner@pba.edu Date of Submission: September 10th‚ 2013 Title of Assignment: Barriers to Concentration CERTIFICATION OF AUTHORSHIP: I certify that I am the author of this paper. This paper was prepared by me specifically for this course. I have also cited any sources from which I used data‚ ideas‚ or words‚ either quoted directly or paraphrased
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organisms are made of cells which are surrounded by a membrane. The cell membrane has many functions but the major function is regulating the passage of materials going in and coming out of the cell. These materials consist of sugars‚ salts‚ water and dissolved gases. Most materials move by simple diffusion from high concentration to low concentration. Some substances may be actively transported‚ which requires energy. The diffusion of water across a semi-permeable membrane is called osmosis. Osmosis
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