Homework Answers
As per the policy of Chegg, only one question is answered
1% Egg albumin will give positive Biuret test. on the addition of 1%, egg albumin to biuret reagent will give violet coloration. (observation)
Biuret test is used to detect peptide bonds.
Glycine is an amino acid and it doesn't have any peptide bonds and it is inactive towards the biuret test. There will not be any change in the color of the biuret reagent.
As per the policy of Chegg, only one question is answered
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Post Lab Questions: 1. Two molecules of glucose, a monosaccharide, when joined together they form a molecule of maltose. Write a chemical reaction to show this process. 2. Write the chemical reaction to show the charring of glucose, C.H.O., which occurs on addition of Conc. H SO. to it. 3. What is the role of Conc. H2SO. in Molisch's reagent test? 4. The positive Biuret test indicates the presence of ....... bond in proteins. 5. Why would amino acids give...
Answer all the questions Define each of the following terms as they relate to this experiment...
Answer all the questions
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please help me type my introduction for my lab report. thank you!! INTRODUCTION In this section,...
please help me type my
introduction for my lab report. thank you!!
INTRODUCTION In this section, you will introduce the experiment by explaining generally what you did and why you did it. This section usually starts with an examination of the literature through a library search to inform the reader about work already done on this topic. If you have never done a bibliographic database search for scientific journal articles, then you are not yet a biological sciences major (note:...
Can someone help me with the color reactions, positive and negative control, and the 6 questions?...
Can someone help me with the color reactions, positive
and negative control, and the 6 questions?
Sudan IV Test for Lipid 1. Obtain five test tubes and number them 1-5. Your instructor may ask you to test some additional materials. If so, include additional numbered test tubes. 2. To each tube, add the materials listed in Table 3. 3. Add five drops of water to tube 1 and five drops of Sudan IV to each of the remaining tubes. Mix...
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COLOR 2 mlogg albumen 2 mL. honey 2 ml. amino acid solution 2 mL. distilled water...
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D. Color Tests for Proteins n on Observations of Color Tests Sample 1. Biuret 2. Ninhydrin Glycine 3. Xanth 2. Xanthoproti Tyrosine Gelatin Egg albumin Casein (milk protein) Questions and Problems Q5 After working with HNO,, a student noticed that she had a yellow spot on her hand What might be the reason? 06 Which samples give a negative biuret test? Why? Q7 What functional group gives a positive test in the xanthoproteic test? 08 What tests could you use...
Table 2. Reaction for proteins test tube Solution 2ml egg white Biuret Reaction Final color and conclusions Solution separated at the top Light green; homogenous 2ml high fructose corn 2ml 1% amino acid solution 2ml distilled water Light blue Light blue 2ml 1% protein solution Purple 2ml 1 starch Light blue 2ml 1% glucose solution Light blue 2ml Muscle Milk Light purple 2ml 1% protein shake Half purple, separated 2ml 1% BCAA shake Which one of the solutions is the...
Post Lab Questions: 1. Two molecules of glucose, a monosaccharide, when joined together they form a molecule of maltose. Write a chemical reaction to show this process. 2. Write the chemical reaction to show the charring of glucose, C.H.O., which occurs on addition of Conc. H SO. to it. 3. What is the role of Conc. H2SO. in Molisch's reagent test? 4. The positive Biuret test indicates the presence of ....... bond in proteins. 5. Why would amino acids give...
Answer all the questions
Define each of the following terms as they relate to this experiment and give an example of each term: carbohydrate Benedict's test lipid Iodine test protein Biuret test nucleic acid Sudan IV test positive control negative control Answer the following questions in complete sentences, based on your experimental results: 1. Which is a reducing sugar, sucrose or glucose? How do you know? 2. Which contains more reducing sugars, potato juice or onion juice? How do you...
please help me type my
introduction for my lab report. thank you!!
INTRODUCTION In this section, you will introduce the experiment by explaining generally what you did and why you did it. This section usually starts with an examination of the literature through a library search to inform the reader about work already done on this topic. If you have never done a bibliographic database search for scientific journal articles, then you are not yet a biological sciences major (note:...
Can someone help me with the color reactions, positive
and negative control, and the 6 questions?
Sudan IV Test for Lipid 1. Obtain five test tubes and number them 1-5. Your instructor may ask you to test some additional materials. If so, include additional numbered test tubes. 2. To each tube, add the materials listed in Table 3. 3. Add five drops of water to tube 1 and five drops of Sudan IV to each of the remaining tubes. Mix...
Part A: Confirmation Tests Experimental Observations Observations for Negative Test (substance not present) Observations for Positive Test (substance present) black blue Test Ambe No change elue Starch Test (lodine) while Particles Chloride Test (AgNOa) ylue Glucose Test (Bened icts) Part B: Dialysis Experimental Observations Test Results of Water Outside Dialysis Bag Test Contents of Bag Immediately After 15 Minutes After 30 Minutes Cmber white fart des blue Amber O(ange Starch Test (lodine) Blown charge shite blue white cloudy Chloride Test...
COLOR 2 mlogg albumen 2 mL. honey 2 ml. amino acid solution 2 mL. distilled water 2 mL. peosein solution bWhich contains more protein (C-N bonds), egg albu- men or honey? How can you tell? Amino acid Amino ackd e. Do free amino acids have peptide bonds? d. What are the functions of proteins in living organisms? но HOH O Polypeptide chain Figure 6.7 A peptide bond joins two amino acids, and pepside bonds link mmany amino acids to form...
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