AS Biology - Unit 1 ------------------------------------------------- Metabolism Metabolism is a term to describe all reaction which is taking place within a cell and is separated into two types which are * anabolic = compounds being built up * catabolic = compounds being broken down ------------------------------------------------- Water The water molecule is a molecule which is made up from 2 hydrogen atoms and 1 oxygen atom. It is bounded by 2 covalent bonds and has is polar.
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Comparison of Soil Porosity Date: March 18‚ 2013 Aim: To prove that Sandy Soil would have the mot water after 24 hours. Apparatus/Materials: Three Conical Flasks‚ Three Filter Funnels‚ Cotton Balls‚ Measuring Cylinder‚ Loam Soil‚ 225ml of Water‚ Paper‚ Pencil Methods/Procedures: Obtain and clean out three conical flasks. Label each flask Sand‚ Loam and Clay. Plug three funnels with cotton balls and place one in each flask. Place 20g of each soil in respected
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HOMEOSTASIS BIOLOGY I BIO091 Prepared by: Nur Syakireen Bt. Ishak SCOPE •Definition and importance of homeostasis •Homeostatic organ •Negative and positive feedback mechanisms •Blood-glucose regulation •Thermoregulation •Osmoregulation DEFINITON & IMPORTANCE OF HOMEOSTASIS Homeostasis • Homeostasis: • is the steady state of physiological condition of the body. • it is the physiological processes by which organisms maintain a constant & balanced internal environment. • In achieving
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1MA0/1F Edexcel GCSE Mathematics (Linear) – 1MA0 Practice Paper 1F (Non-Calculator) Set A Foundation Tier Time: 1 hour 45 minutes Materials required for examination Ruler graduated in centimetres and millimetres‚ protractor‚ compasses‚ pen‚ HB pencil‚ eraser. Tracing paper may be used. Items included with question papers Nil Instructions Use black ink or ball-point pen. Fill in the boxes at the top of this page with your name‚ centre number and candidate number. Answer all questions. Answer the
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Biology- Maintaining a Balance Summary 1. Most organisms are active in a limited temperature range 1. identify the role of enzymes in metabolism‚ describe their chemical composition and use a simple model to describe their specificity on substrates Enzymes are proteins which act as catalysts in living things (they lower the amount of energy needed for a reaction‚ therefore increasing rate of reaction). Enzymes speed up reactions but are not used up by them. Enzymes catalyze only one
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base and acid. Acids are a compound of substances that release hydrogen ions in a solution. Acids taste sour‚ are corrosive to metal‚ and it turns litmus paper red. Bases on the other hand are compounds that removes hydrogen ions in a solution. Bases taste bitter‚ makes good cleaning supplies(soap‚ detergent‚ bleach‚ Windex) and turns litmus paper blue. A pH scale gives a numerical value to the acidity of a solution ranging from 1-14 with the lowest being highly acidic to
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Assignment 1: Compensation Practice BUS 409- Strategic Compensation October 28‚ 2014 Yahoo’s compensation strategy is guided by the need to increase performance. Its best compensation practice and compensated-related challenges are in retaining key employees and attracting new talent while keeping costs under control. Its compensation practices can have a positive or negative impact on the company and its stakeholders. On the other hand‚ laws‚ unions and market factors impact the company’s
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Phylum Mollusca Unit 4 Mollusk Introduction Phylum Mollusca Molluscus = soft Soft-bodied animals that usually have an internal or external shell. Includes snails‚ slugs‚ clams‚ squids‚ and octopi. True coelom Complex‚ interrelated organ systems Body Plan The body plan of most mollusks have 4 main parts: foot 2. mantle 3. shell 4. visceral mass 1. Foot: muscular; may be used for crawling‚ burrowing‚ or tentacles for capturing prey Mantle: thin tissue layer
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Is it Discrimination or Fair Employment Practices? Chamberlain College of Nursing Cultural Diversity in the Professions SOCS350 August 1‚ 2013 Is it Discrimination or Fair Employment Practices? How can a company defend their position when they are making choices to promote employees? Should a company have to be put in a position to defend their choice of an employee that has received a promotion? Maria (a female of Latino ancestry) has filed a grievance at her current place of employment
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Evidence-Based Practice WGU Evidence-Based Practice Article I choose to review today is titled" Reduction of unnecessary use of indwelling urinary catheters". A1. Article. Janzen‚ J.‚ Burman‚ B. M.‚ Spanjaard‚ L.‚ de Reijke‚ T. M.‚ Goossens‚ A.‚ & Geerlings‚ S. E. (2013). Reduction of unnecessary use of indwelling urinary catheters. BMJ Quality & Safety‚ 22(12)‚ 984-988. doi:10.1136/bmjqs-2013-001908 A2. This article examines evidence-based areas of the interventions to reduce Catheter
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