• Termites
    variable. Since water is pure oxygen and hydrogen unlike Glucose and Starch, one variable may be observed. 2. Biuret reagent will turn your skin brownish-purple. Explain why this occurs. Biuret reagent will turn your skin a brownish-purple because Iodine detects protein in a substance by changing the...
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  • Molecules
    HW Molecules of Life 1. Go to Biology Labs Online at http://www.occc.edu/biologylabs/index.htm and open Organic Molecules. Do the labs for Carbohydrates, Proteins, Fat and Food and record your results below. a. Carbohydrates i. Simple Carbohydrates – sugars, monosaccharides, and disaccharides ...
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  • Lab on Deck
    Abstract: Throughout this lab, nutrient testing for lipids, carbohydrates, and proteins will take place using indicators. Introduction: The most common organic compounds in organisms are lipids, carbohydrates, proteins, and nucleic acids. Certain things called indicators, or substances that change...
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  • Re: Bio
    Organic Compounds | A Lab Write-Up | | | 9/23/2011 | During the food lab performed on September 14th and 15th, students were given indicators and told to identify organic compounds in selected substances. | Identifying Organic Compounds Purpose: The reason for this lab was to test how indicators...
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  • My Docs
    Identifying Biological Macromolecules in Food Lab. Biochemists have developed standard tests to determine the presence of the most abundant macromolecules made by cells: carbohydrates (sugars, starches), lipids (fats), and proteins. In this investigation, your group will conduct some of these standard...
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  • U76Ity
    Food Lab Report Purpose: Test for presence of starch, protein, glucose or vitamin C in our chosen food sample. I accomplished this task by following various procedures which gave me a result to see if my test was negative or positive. Hypothesis: Test for Starch: Tested raisin bread: before testing...
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  • biology
    those foods are meat, beans, and nuts. The purpose of this lab is to determine the presence of specific nutrients (carbohydrates, fats, and proteins) in food products which come from plants. The foods you will be testing are corn syrup, ripe bananas, sweet potatoes, white potatoes, white...
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  • Identifying Organic Compounds Lab
    indicator, which type of organic compound will be found in each type of food? Hypothesis: If Benedict solution is added to honey, then it will turn. If Biuret solution is added to egg whites, then it will turn. If Benedict solution is added to corn oil, then it will turn. If Benedict solution is added to...
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  • Identification of Macromolecules- Lab Report
    determine the presence of macromolecules. In doing the lab, one was able to determine the characteristics of the given solutions, containing different macromolecules, whilst doing the multiple tests. The tests performed were, iodine testing for starch and glycogen, Benedict’s test for reducing sugars...
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  • Chemical Aspects of Life Paper
    of life. Explaining what my hypotheses are, for what chemicals are in which substances and what affects the reagents will have on them. Protein testing will be performed on 2 substances,egg albumin and gelatin using Biuret's solution. If biuret's solution is added to egg albumin then the egg albumin...
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  • Identification of Macromolecules
    Identification of Macromolecules Introduction The purpose of this lab is to test for the presence of macromolecules in various foods. Tests are performed to describe the basic structure of proteins, lipids, glycerides, and carbohydrates. We are to recognize the positives and negatives in these...
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  • Experimenting with Biological Macromolecules in Various Identification Tests
    proteins and nucleic acids. (Karp, 2010) This specific experiment showcased the identification of different macromolecules using three different testing methods. Carbohydrates, sugar molecules, are known as “fast fuel” in the body, and they contain base elements of carbon, oxygen and hydrogen. (Lea...
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  • Biology Lab 3
    General biology lab 5; Properties of Solutions and Test of Biological Molecules Summary Water is a universal solvent making up between 65% and 85% of living cells. Many of the chemicals found in living things and their surrounding environment are found in solution. The purpose of the lab exercise is...
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  • Organic Molecules
    - 4 mL of each solution (Distilled Water, Egg albumin, Potato starch, Glucose, Amino acid) - 5 test tubes - 8 pipetes - Biuret Reagent - Test tube rack - Timer Procedure: 1. Obtain 5 clean tubes and number them from 1 through 5 2. To the tes tube...
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  • Detection of Biological Molecules
    are in that class. This lab is broken down into four different sections, the Benedict's test for reducing sugars, the iodine test for the presence of starch, the Sudan III test for fatty acids, and the Biuret test for amino groups present in proteins. The last part of this lab takes an unknown substance...
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  • Lab 2
    Lab 2: Protiens and Starches Purpose: An introduction to testing procedures for two large, organic molecules: proteins and starches. Hypothesis: In the test for protiens the water, being that it is inorganic will not test positive for protiens; it will serve as the negative control. The...
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  • World History
    what previously concepts did this lab reinforce?  Is there anything you would or could do differently that would improve the experiment?  Do you have any other comments/observations you would like to share about this lab?  (*Note: Not all questions pertain to each lab.)  Your conclusion should be approximately...
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  • Private Laboratories That Test Food
    Title: Food Testing Lab Purpose: to determine the presence/absence of carbohydrates, lipids, and proteins in food. Materials: Iodine-Potassium Iodine solution (starch test) Benedict’s solution (monosaccharide test) Biuret solution (protein test) Brown paper (lipid test) Starch solution albumin...
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  • Isolation of Macromolecules
    IDENTIFICATION OF SOME MACROMOLECULES Taylor Lambert 20367371 Lab Partner: William Lin Teaching Assistants: Calvin Kellendonk and Yusra Maryam Section : 28 BIOL 130L, Friday, 7:00pm, B2 Room 151 Lab Performed On: Friday, September 21, 2012 Introduction Utilizing...
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  • Identifying Organic Compounds Lab
    don’t mix substances, which can cause your results to be inaccurate. Hypotheses: 1. If the test samples contain Protein, then in the presence of Biuret the color will turn to yellow, green, or lavender. 2. If the test samples contain Carbohydrates, then in the presence of Benedict’s color will...
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