Experiment AM1.2—Centrifugal Force Student name JunJie Liu Student ID 1512042 Experiment Date 11 Feb 2015 Lab group Mech 7 Introduction In this lab report we show the basic methods of measuring centrifugal force using two counter balanced bell-cranks spin on a turntable (shows in figure 1) and able to calculate the centrifugal force with given conditions shows in figure 1. *Figure
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in the first trial showed that in the salt was the first to evaporate. In the second trial water‚ salt‚ and nail polish remover evaporated equally. In the third trial salt evaporated the most. …………. …..Introduction
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Potato Osmosis and Diffusion Lab Report Emily Cocq Research Question: Will there be a difference in the experimented potato cores after being subjected to high concentrations of sugar? Introduction: Water can move through protein channels in cell membrane/cell walls. The water will move due to the water potential of the cells. If there is a greater concentration of solutes (chemicals) inside the cell than outside the cell and the chemicals can not move‚ then water will respond by moving
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Practical 9: Examination of Bacterial Plates Objective: 1. To examine bacteria pigmentation‚ colony‚ margin characteristics‚ elevation properties‚ broth characteristics and agar stroke properties. 2. To examine bacteria growth characteristics on different culture media. Introduction: Bacterial species can sometimes be identified on the basis of how they appear on or in the different media. The pigmentation‚ size and shape of bacterial colonies as they grow on and in agar plates can
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Name: Danielle Title: Unknown Lab Report Introduction: There are many reasons for identifying an unknown bacterium. The reasons range from medical purposes‚ such as determining if the unknown could cause ailments in living things or knowing what microorganisms are needed to make antibiotics. The experiment was done by applying methods in order to identify an unknown bacterium. An unknown bacterium was handed out by Dr. Honer. The appropriate tests were prepared and applied. The
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Curing Salt / Prague Powder‚ Composition and Safety Issues Posted on August 24‚ 2010 by marvin A sausage is not a sausage without the curing salt. The same is true with tocino‚ it may look like it but taste will be different. Prague powder or curing salt is responsible for giving the processed meat product it characteristic flavor and color. Try to make tocino without prague powder. Drop me a comment‚ if you prove me wrong. It also function as preservative. A substance that kills spoilage bacteria
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Lateralized Stroop Effects Andrew Hanna Psychology Program Arizona State University‚ Tempe‚ AZ Introduction Through broad literature review the stroop effect can be explained through demonstration of a reaction time of a task. We built upon the basic ideas developed in the previous Stroop models of MacLeod in 1991‚ Belanger & Cimino in 2002‚ and J.R. Stroop‚ the first person to publish its significance in English in 1935(Stroop‚ 1935). In the Stroop model‚ color-words are variously presented
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Experiment 21: Salmonella and food contamination Purpose /Objective Objective: To test salmonella in spinach sample over five lab periods. Food contamination of salmonella can cause serious illness. Only small numbers of salmonella need to be found for a food product to be considered contaminated. Tests used Pre-enrichment- lactose broth Selective enrichment broth- with Tetrathionate Brilliant Broth Selective Plating- Brilliant Green Agar Isolation of salmonella conformation- is preformed
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(2) being able to apply that understanding of the microbial world so that the benefits to the Earth and humans are known(6). This lab specifically does not require the knowledge of what each organism does when introduced to another living organism‚ like a human. Figuring out the type of bacteria could help with further experiments. The idea of the unknown bacteria lab is to show
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Patient Number Glucose test (test strip matches key on bottle) Amino acid test (with biuret turns purple) Urea test (with‚ 5 grams‚ urease + phenolphthalein turns pink) Salts test (with silver nitrate turns to a white solid) 1 - - + - 2 - + _ + 3 + + + + 4 - - + + 5 + - + + Normal key Glucose – Amino acid – Urea + Salts + Patient number 1 had normal results except for the urea test. Patient number 2 tested negative (-) for glucose and urea tests and
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