adipose tissue Biuret reagent‚ iodine‚ Benedict’s reagent‚ Sudan IV‚ spot test Positive control‚ negative control Eukaryote‚ prokaryote‚ yeast‚ budding‚ cilia‚ pseudopod‚ chloroplast‚ nucleus‚ cytoplasmic streaming‚ chromoplast‚
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were tested within the foods applesauce‚ peas‚ and turkey gravy. These biomolecules were identified using the solution indicators for the Biomolecules which are respectively designated for each biomolecule. Iodine for Starch‚ Benedicts for Sugar‚ Biurets for Protein‚ and a brown paper bag for Lipids. The biomolecules were observed when the food and indicators were combined‚ the solution then turned a color designating a specific biomolecule. Protein turns purple‚ Iodine turns black/blue‚ Sugar turns
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responsible for what keeps us running and they are vital in even the tiniest forms of life; cells. Cells are the building blocks of everything around us and without cells and these essential components of life there would be no life. The benedicts reagent test was designed to expose the presence of reducing sugars. I stated before that many of the substances I tested changed colors‚ the color being an indication of the amount in each substance. Distilled water‚ diet soda‚ and glucose‚ all resulted
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lipid tests were the dye test which was a more specific test to find the substances that all contained a fat by using a solution of Sudan 4 and water. The protein test’s purpose was to determine all the test materials that contained a protein by using biuret solution. The procedure for the Spit lab was to perform the starch test and reducing sugar test on both crackers. Then chew up the cracker that doesn’t have reducing sugars. Next‚ test the sample for a reducing sugar. The results of the Chemical Aspects
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had four testing reagents (Lugol’s which tests for starch‚ Biuret tests for protien‚ Benedict’s that tests for reducing sugars‚ and Ninhydrin which detects amino acids) and four stock solutions at various concentrations (protein in the form of albumin‚ glucose for the sugars‚ amino acid through glycine and just basic starch). We tested each of these with our three unknowns (which were the three separate protein supplements). Mixing each individual supplements with all of our reagents and stock solutions
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INTRODUCTION: Carbohydrates are the product that made up from carbon‚ hydrogen and oxygen. Carbohydrates are form by the combination of carbon dioxide and water molecules. The carbohydrates contain two specific functional group in it which is the hydroxyl groups and carbonyl groups.A reducing sugar is a type of sugar with is an aldehyde group.This means that sugar can act as a reducing agent.The procces of reducing sugar is isomerisation‚example of reducing sugar islactose
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Phos 2 1 0.527 0.527 3 Phos 3 1 0.248 0.248 4 Phos 4 1 0.050 0.05 5 Carb 1 4 0.646 2.584 6 Carb 2 1 0.490 0.490 7 Carb 3 1 0.127 0.127 8 Graph: Abs 280 (Undiluted) Table 2: Biuret Raw Data A F G H I J Sample Dilution before adding Biuret reagent Additional dilution factor (Biuret reagent) Total dilution factor into cuvetter (F x G) Measured Abs 540 Undiluted Abs 540 (H x I) HEW 40 5 200 0.127 25.41 LOAD 5 5 25 0.117 2.925 Phos 1 2 5 10 0.102 1.020 Phos 2 1 5 5 0.073
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oats‚ and other staple foods. www.LabPaq.co !4 ©Hands-On Labs‚ !! !! ! ! ! !! !! ! !! Experimen ChemiCal Basis of Exercise 5: Testing Breakfast Cereal Observations: ! Material tested Data Table 5: Cereal testing results biuret reagent Benedict’s reagent
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Experiment 6 titled “Organic Chemistry” and the purpose of this lab is to get familiar with some organic functional group and test certain reactions of selected functional groups. To do the first part of the experiment (combustion test)‚ instructor demonstration in hood‚ and record the observation. Part A (combustion of toluene) pour 1 milliliter of toluene into a evaporating dish and ignite it with a flaming wood splint. Most importantly put the flame with a watchglass. Part B (combustion of ethyl
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Using a designated graduated transfer pipets‚ add 1 ml of distilled water‚ albumin‚ and starch to the according test tubes. Add five drops of Biuret reagent to the tubes with a swirling motion to mix. Reaction is almost instant. Record your observations. Method: Test for Starch Label five new clean test tubes (1 to 5). Using a designated graduated transfer pipets‚ add 1 ml of water‚ starch suspension
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