experiment is to study how enzyme activity is affected by environmental conditions. Researchers tested the level of potato extract enzyme activity with 1-11 pH‚ varying temperature‚ catechol solution‚ hydroquinone solution‚ and different measurements of catechol. In Figure 1A and 1B‚ pH levels were tested with potato extract to see how pH would affect the amount of Benzoquinone is formed in the potato. Although it was hypothesized that enzymes would form Benzoquinone better in acidic pH levels‚ the absorbency
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Lab Report on Osmosis and Diffusion Biology 1‚ Period 3 March 15‚ 2010 Lab Team: Jason Perez‚ Kicia Long‚ Chris McLemore Purpose: The purpose of this lab is to observe the acts of passive transport: diffusion and osmosis in a model membrane system. The experiment will show how molecules in solution move from areas of higher concentration to areas of lower concentration. The model membrane is dialysis tubing. Materials Used 2.5 cm dialysis tubing 15% glucose
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Data Table: Qualitative Cation Tests Name Test Tube 1: HClNH3 Test Tube 2: NaOHExcess Aluminum 3+ No precipitate Slightly milky Dissolves Ammonium + No Precipitate No precipitate Calcium 2+ No Precipitate Milky white precipitate Precipitate does not dissolve Copper 2+ No precipitate Became much darker blue and milky Iron 3+ Brighter yellow Orange precipitate that then dissolves Lead 2+ Milky white precipitate Precipitate gets more milky Silver + Milky white precipitate Precipitate gets
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Lim‚ Jean Rya Que 2013 – 72199 ATQ 1 – Qualitative Analysis of Carbohydrates Data Sheet: A. Osazone Formation Crystals Formed? (hot) Crystals Formed? (Cold) 5% sucrose Yes (orange) Yes (yellow) 5% glucose Yes (orange) Yes (yellow) 5% fructose Yes (brown) Yes (brown) 5% maltose Yes (orange) Yes (gold) B. Molisch Test Color of Junction Glucose Purple Sucrose Purple Starch Purple C. Bial’s Test Color Change Ribose Yellow -> Dirty Green Glucose Yellow -> Dark Yellow D. Seliwanoff’s Test Observation
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An Introduction to Qualitative Analysis Purpose: Tests the ions of Mg2+‚ Ca2+‚ Sr2+‚ and Ba2+‚ and identify them separately. By using these observations‚ identify the unknown ion. Then tests the ions of SO42-‚ CO32-‚ Cl-‚ and I-‚identify them separately‚ and use the observation to identify the unknown. Procedure Part I - Qualitative Analysis of Group 2 Elements Mix 0.02M K2CrO4 with each Mg(NO3)2‚ Ca(NO3)2‚ Sr(NO3)2 and Ba(NO3)2 together. Secondly‚ mix 0.1M (NH4)2C2O4 instead
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This review will critique the article by Leeming‚ Williamson‚ Johnson and Lyttle (2013) on Making use of expertise: a qualitative analysis of the experience of breastfeeding support for first‐time mothers. This critical review will examine its strengths and weaknesses in arguments‚ methods‚ analysis and validity. Research has established the difficulties that women experience during breastfeeding (Berridge et al. 2005; IFF Research & Renfrew 2012) e.g. discomfort when breastfeeding in public (Dowling
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DATA WAREHOUSES & DATA MINING Term-Paper In Management Support System [pic] Submitted By: Submitted To: Chitransh Naman Anita Ma’am A22-JK903 Lecturer 10900100 MSS ABSTRACT :- Collection of integrated‚ subject-oriented‚ time-variant and non-volatile data in support of managements decision making process. Described as the "single point of truth"‚ the "corporate memory"‚ the sole historical register of virtually all transactions
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Qualitative Research Critique Grand Canyon University: NRS-433V October 19‚ 2014 Qualitative Research Critique “High rates of staff turnover in nursing homes is not a recent phenomenon. As far back as the mid-1970s studies have documented average turnover rates for registered nurses (RNs)‚ licensed vocational nurses (LVNs) and certified nurse’s aides (CNAs) ranging between 55% and 75%” (Mor‚V.‚ Mukamel‚ D.B.‚ & Spector‚W. D. 2009‚ 1). Long term care facilities (LTC) have staffing issues
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Simple qualitative analysis involves the identification of the constituents of an inorganic substance or a mixture of substances. The inorganic substances are split-up into two types of charged particles one of which is positively charged and the other is negatively charged. The charged particles are called ions or radicals. The positively charged ions are called cation or basic radical. The negatively charged ion is called anion or acid radical. In the qualitative analysis of an inorganic
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America’s Great Potato Baron Eric Schlosser’s biography “Fast Food Nation: Why the Fries Taste Good” explains how this invention started out of a simple potato by a man named John R. Simplot who was raised on a farm‚ un-educated and by his own account‚ left home at a young age. According to Eric Schlosser’s claim‚ “John Richard Simplot‚ America’s great potato baron‚ whose seemingly inexhaustible energy and willingness to take risk built an empire base on French fries” (Schlosser par. 2). The
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