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CH,OH disaccharide? ноно он но н H H. O. sucrose OH OH H H isomaltose maltose cellobiose lactose H он H. OH When starch in food is digested, which salivary and pancreatic enzyme cleaves the C-1 to C-4 covalent linkages between the glucose units along the carbohydrate chains? a) b) c) d) a(1→6) glucosidase B-amylase sucrase a-amylase lactase

CH,OH disaccharide? ноно он но н H H. O. sucrose OH OH H H isomaltose maltose cellobiose lactose H он H. OH When starch in food is digested, which salivary and pancreatic enzyme cleaves the C-1 to C-4 covalent linkages between the glucose units along the carbohydrate chains? a) b) c) d) a(1→6) glucosidase B-amylase sucrase a-amylase lactase

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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**Disaccharide Identification and Enzyme Function in Carbohydrate Digestion** **Diagrams and Structures:** The image shows a chemical structure of a disaccharide composed of two glucose rings. Each ring features hydroxyl groups (-OH) and hydrogen atoms; they are connected through an oxygen atom forming a glycosidic bond. The specific arrangement and bonding indicate the nature of the disaccharide. **Question 1: Disaccharide Identification** "This structure represents which disaccharide?" - a) sucrose - b) isomaltose - c) maltose - d) cellobiose - e) lactose **Question 2: Enzyme Function in Starch Digestion** "When starch in food is digested, which salivary and pancreatic enzyme cleaves the C-1 to C-4 covalent linkages between the glucose units along the carbohydrate chains?" - a) β-amylase - b) sucrase - c) α-amylase - d) lactase - e) α(1→6) glucosidase This section helps students identify chemical structures of disaccharides and understand enzyme activity in carbohydrate digestion, focusing on the breakdown of C-1 to C-4 linkages by specific enzymes.
Transcribed Image Text:**Disaccharide Identification and Enzyme Function in Carbohydrate Digestion** **Diagrams and Structures:** The image shows a chemical structure of a disaccharide composed of two glucose rings. Each ring features hydroxyl groups (-OH) and hydrogen atoms; they are connected through an oxygen atom forming a glycosidic bond. The specific arrangement and bonding indicate the nature of the disaccharide. **Question 1: Disaccharide Identification** "This structure represents which disaccharide?" - a) sucrose - b) isomaltose - c) maltose - d) cellobiose - e) lactose **Question 2: Enzyme Function in Starch Digestion** "When starch in food is digested, which salivary and pancreatic enzyme cleaves the C-1 to C-4 covalent linkages between the glucose units along the carbohydrate chains?" - a) β-amylase - b) sucrase - c) α-amylase - d) lactase - e) α(1→6) glucosidase This section helps students identify chemical structures of disaccharides and understand enzyme activity in carbohydrate digestion, focusing on the breakdown of C-1 to C-4 linkages by specific enzymes.
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