Isolation and Study of Organelles from Pea Seeds by Differential Centrifugation and Corn to Determine Mitochondrial Activity BIOL 230-01 Cell & Molecular Biology October 13‚ 2014 ABSTRACT Since the discovery of the cell in 1665 by Robert Hooke‚ man has always wondered about the complexity and potential functionality. Using pea seeds‚ which is readily available‚ we will be studying the different parts of the cell by separating it into its component parts by
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Respiration of Germinating Peas Abstract Aerobic respiration is an enzyme mediated process during which glucose is used to make ATP to fuel the cells energy needs. Germination is one of such processes that make use of aerobic respiration and because certain factors can affect aerobic respiration‚ it would also affect germination. In this experiment‚ we examined the effects of boiling on the rate of aerobic respiration of germinating peas. Unboiled germinating peas were found to have a more rapid
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Extraction of caffeine from Lipton tea leaves Maria Gianna Beatrice L. Cancio*‚ Joe Mari Isabella B. Caringal‚ Rowena A. Chiang‚ Patricia Deanne del Valle Department of Biological Sciences‚ College of Science‚ University of Santo Tomas‚ España‚ Manila‚ Philippines Abstract Caffeine was extracted from Lipton tea leaves by multiple extraction techniques namely solid to liquid extraction and liquid to liquid extraction; the purification by sublimation and melting point determination. Three
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Lab 5 Acid/Base Extractions Introduction The purpose of this experiment is to separate either the organic base (amine) or organic acid (carboxylic acid) from a mixture that contains inorganic impurities (salt) by performing a liquid-liquid extraction and then taking a melting point. Key Experimental Details and Observations Our starting material‚ Compound B‚ was a fine white powder and weighed 0.535g. The final product was a shiny white sheet that resembled acrylic paint and weighed 0.109g
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Keats and Smith‚ Two Peas in a Pod The presence of sleep and night are often seen in John Keats’ and Charlotte Smith’s works. John Keats was a lonely man‚ who was talked down to by critics his whole career. Charlotte Smith‚ although married with twelve children‚ is often thought of as unhappy. Both poets saw the night and sleep as an escape from reality which is present in "To Sleep"‚ "The Night"‚ and "Ode to the Nightingale". Charlotte Smith wrote “To Sleep” as a reflection on her own life. Smith
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A REPORT ON THE OVER-EXTRACTION OF GROUNDWATER IN QUEENSLAND Prepared for: THE IDEAS SUMMIT ON THE ENVIRONMENT Due: 22 May 2013 Submitted: 22 May 2013 Prepared By: Katie Gray Executive Summary The purpose of this report is to focus on an aspect of environmental economics‚ namely over-extraction of groundwater in Queensland and provide and evaluate a possible solution for this issue. Groundwater is a valuable resource which is not being protected in Queensland. Its preservation
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Behind the Clothesline In Mary Whyte’s watercolor painting Sweet Pea‚ a young African-American girl with braided hair is depicted wearing a light yellow shirt‚ holding a doll and appears to be standing behind a colorful‚ vibrant clothesline. What is the young girls reasoning for standing behind the clothesline? Based on the young girl’s familiarized demeanor in Sweet Pea‚ one can infer that she is standing behind the clothesline because it’s a place that she has been acclimated to being around.
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EXTRACTION OF CAFFEINE FROM TEA LEAVES ABSTRACT Caffeine extraction from the commercial tea leaves (Lipton Yellow Label Tea) that was done is multiple extraction. 4 tea bags were used in the experiment; tea leaves were weighed having 8.5333 grams. The leaves were boiled in a beaker with 150ml of water; the aqueous tea extract was transferred in a seperatory funnel mixed with DCM (20ml)‚ done thrice. The DCM layer was washed with 20ml 6M NaOH in the seperatory funnel; the organic layer
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Acid Rain Acid rain‚ or acid desposition‚ is simply common rainfall that has been polluted sufficiently by atmospheric pollution. Acid rain contains two types of acids: nitric and sulfuric. These chemicals‚ or precursors‚ are emited by natural sources such as volcanoes and decaying vegetation. Man-made sources are also primary causes for emissions of sulfur dioxide and nitrogen oxides that come from fossil fuel combustion. The most common emiters of these fossil fuels are power plants‚ factories
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Extraction and Evaporation: Separating the Components of "Panacetin" Submitted- July 17‚ 2012 Introduction The purpose of this lab is to investigate the composition of a compound suspected to be Panacetin‚ a type of pain-killer. Panacetin is typically made up of sucrose‚ aspirin‚ and acetaminophen‚ but the third component in this experiment is unknown. The unknown component is suspected to be a chemical relative of acetaminophen‚ either acetanilide or phenacetin. Using techniques such as
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