solution (concentration of exactly 1.00mol dm-3) into the conical flask containing the aspirin tablets followed by the addition of roughly 25cm3 of distilled water which should be measured using a measuring cylinder. * The apparatus was then be set up as shown below‚ and the mixture was simmered gently for approximately 10 minutes to allow for the hydrolysis of the aspirin tablets to occur (once the aspirin tablets have been hydrolysed the solution turns yellow). The mixture was then cooled and was
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minutes) the root tip will feel soft when touched with a mounted needle (Do not let it dry out completely). * Heat it in order to speed up the process of the cell wall breaking down‚ and also for the stain to spread quicker. The stain will bind with the DNA‚ and it will become more visible. 4. Now‚ using forceps or the mounted needle‚ pick up the softened root tip and transfer it in to a
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1. What makes the motorcycle manufacturing industry so attractive? Ducati has found major success in the motorcycle industry with its stylish and performance driven vehicles. Although several competitors have decided to leave the industry‚ Ducati believes the industry to be attractive for several reasons. The fact that a Ducati product is a niche product works towards the company’s favor. As any niche product‚ the consumer’s are very particular about purchasing the Ducati brand and the Ducati brand
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Huanyu (Kaspar) Chen ID:1213054 11/3/2014 ES2A7 Dynamic Balancing Lab Report Name: Huanyu Chen Student ID: 1213054 Contents ES2A7 Dynamic Balancing Lab Report............................................................................................... 1 Abstract ..................................................................................................................................... 1 Introduction .....................................................................
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seal populations? 2.Using Table 2 and 3‚ explain how the birth rates of the seals and the death rates of the whales affected the carrying capacity for both whales and seals. 3.For the second trial in Part 1‚ we doubled the whale population and reduced the seal population by half. However‚ the carrying capacity for the seals only decreased slightly from the first trial. What do you think caused this outcome? 4.If another source of prey were available to the whales‚ what changes in population size
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Certain cells‚ like yeast cells produce ethyl alcohol through fermentation. Respiration in the presence of oxygen makes possible the complete oxidation of nutrient compounds into carbon dioxide and water. Using three glass pipets to hold the yeast mixture‚ we then sealed one end‚ and flipped the pipets upside down so to record the level of carbon dioxide that developed. In fact‚ ninety
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and started adding one scoop of our enzyme catalyst‚ in this case‚ the yeast. We then proceeded to measure and add 1 mL of distilled water to test tubes A-D. To get a more accurate measure of 1 mL of distilled water‚ we used the dropper labeled “W” to drop distilled water into the 5 mL graduated cylinder until we saw that the bottom of the water line reached closely to 1 mL. Next‚ we took the four tubes with the scoop of yeast and added to each the corresponding 1 mL of water from tubes A-D. As
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methods of population estimation November 18‚ 2014 BIOL 1121: General Biology II Lab Fall 2014 Abstract Mark and recapture is a method commonly used in ecology to estimate an animal population ’s size. A portion of the population is captured‚ marked‚ and released. This lab provides methods that can be used to estimate a provided additional information for a better interpretation of lichen diversity values in biomonitoring studies of air pollution. Introduction This section is
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October 12th 2014! The Effect of Glucose on The Cellular Respiration of Yeast! Purpose: ! The purpose of this lab is to determine if the quantity glucose solution will increase or decrease the rate at which cellular respiration occurs at within the tested 20% yeast suspension.! Question:! What are the effects of increasing or decreasing the quantity of 0.06mol/L glucose solution on the cellular respiration within the tested yeast molecules?! Hypothesis: ! When the quantity of glucose solution is increased
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Bio 205 Lab W/8:00 Enzyme II Write-Up Methods: My partner and I ran two experiments to measure the activity of the enzyme horseradish peroxidase under varied conditions. The first of which measured the effects of altered pH levels‚ while the goal of the second was to examine the effects of varied temperatures. To test the effects of pH on horseradish peroxidase‚ we began by zeroing a Spec 20 with 5.0mL of substrate (25mM guiacol) at pH 6.5. Once the Spec 20 was accurately zeroed‚ we added 100μL
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