Glucose and fructose are reducing sugars. Sucrose, or table sugar, is a disaccharide consisting of both fructose and glucose. Is sucrose a reducing sugar? Why or why not? No, because only one anomeric carbon is involved in the glycosidic linkage. No, because both anomeric carbons are involved in the glycosidic linkage. Yes, because the fructose unit can convert to the open-chain form. Yes, because the glucose unit can convert to the open-chain form. Which statements about reducing sugars are true? The oxidation of a reducing sugar forms a carboxylic acid sugar. D-Arabinose (an aldose) is a reducing sugar. Reducing sugars contain keto groups instead of aldehyde groups. A disaccharide with its anomeric carbons joined by the glycosidic linkage cannot be a reducing sugar. A reducing sugar will not react with the Cu² + in Fehlings's reagent.
Glucose and fructose are reducing sugars. Sucrose, or table sugar, is a disaccharide consisting of both fructose and glucose. Is sucrose a reducing sugar? Why or why not? No, because only one anomeric carbon is involved in the glycosidic linkage. No, because both anomeric carbons are involved in the glycosidic linkage. Yes, because the fructose unit can convert to the open-chain form. Yes, because the glucose unit can convert to the open-chain form. Which statements about reducing sugars are true? The oxidation of a reducing sugar forms a carboxylic acid sugar. D-Arabinose (an aldose) is a reducing sugar. Reducing sugars contain keto groups instead of aldehyde groups. A disaccharide with its anomeric carbons joined by the glycosidic linkage cannot be a reducing sugar. A reducing sugar will not react with the Cu² + in Fehlings's reagent.
Biology (MindTap Course List)
11th Edition
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Chapter3: The Chemistry Of Life: Organic Compounds
Section: Chapter Questions
Problem 4TYU: The synthetic process by which monomers are covalently linked is (a) hydrolysis (b) isomerization...
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Transcribed Image Text:Glucose and fructose are reducing sugars. Sucrose, or table sugar, is a disaccharide consisting of both fructose and glucose.
Is sucrose a reducing sugar? Why or why not?
No, because only one anomeric carbon is involved in the glycosidic linkage.
No, because both anomeric carbons are involved in the glycosidic linkage.
Yes, because the fructose unit can convert to the open-chain form.
Yes, because the glucose unit can convert to the open-chain form.
Which statements about reducing sugars are true?
The oxidation of a reducing sugar forms a carboxylic acid sugar.
D-Arabinose (an aldose) is a reducing sugar.
Reducing sugars contain keto groups instead of aldehyde groups.
A disaccharide with its anomeric carbons joined by the glycosidic linkage cannot be a reducing sugar.
A reducing sugar will not react with the Cu² + in Fehlings's reagent.
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