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Biochemistry
Molisch Test

Molisch Test

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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DATAAND RESULT: A. Characteristic Tests of Carbohydrates Sample Solutions Barfoed's Molisch Test Benedict's Test Iodine's Test Seliwanoffe Test Fehling's Test Test Glucose Positive Positive Negative Positive Positive Negative Negative Positive Fructose Positive Positive Negative Positive Positive Negative Negative Positive Lactose Positive Negative Negative Positive Negative Sucrose Positive Negative Negative Negative Negative Negative Negative starch Positive Negative POST-LAB QUESTIONS: A. Molisch Test 1. Describe the evidence for a positive test. 2. What does a positive test indicate? 3. What is the chemical basis for a positive test? 4. Circle the names of the substances that gave a positive test. Glucose Fructose Lactose Sucrose Starch B. Benedict's Test 1. Describe the evidence for a positive test. 2. What does a positive test indicate? 3. What is the chemical basis for a positive test? 4. Circle the names of the substances that gave a positive test. Glucose Fructose Lactose Sucrose Starch
Transcribed Image Text:DATAAND RESULT: A. Characteristic Tests of Carbohydrates Sample Solutions Barfoed's Molisch Test Benedict's Test Iodine's Test Seliwanoffe Test Fehling's Test Test Glucose Positive Positive Negative Positive Positive Negative Negative Positive Fructose Positive Positive Negative Positive Positive Negative Negative Positive Lactose Positive Negative Negative Positive Negative Sucrose Positive Negative Negative Negative Negative Negative Negative starch Positive Negative POST-LAB QUESTIONS: A. Molisch Test 1. Describe the evidence for a positive test. 2. What does a positive test indicate? 3. What is the chemical basis for a positive test? 4. Circle the names of the substances that gave a positive test. Glucose Fructose Lactose Sucrose Starch B. Benedict's Test 1. Describe the evidence for a positive test. 2. What does a positive test indicate? 3. What is the chemical basis for a positive test? 4. Circle the names of the substances that gave a positive test. Glucose Fructose Lactose Sucrose Starch
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