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Chapter 7: Problem 38

This section contains multiple choice questions. Each question has 4 choices (a), (b), (c) and (d), out of which ONLY ONE is correct. In starch and maltose, the glucose units are linked between (a) \(\mathrm{C}_{1}\) and \(\mathrm{C}\). (b) \(\mathrm{C}_{1}\) and \(\mathrm{C}_{2}\) (c) \(\mathrm{C}_{1}\) and \(\mathrm{C}_{4}\) (d) \(\mathrm{C}_{4}\) and \(\mathrm{C}_{4}\)

Short Answer

Expert verified
Answer: The glucose units in starch and maltose are linked between C1 and C4, with α-1,4-glycosidic bonds.

Step by step solution

01

Understanding Starch Structure

Starch is a polysaccharide and is a storage form of carbohydrates in plants. It consists of two types of glucose polymers: amylose and amylopectin. In both amylose and amylopectin, the glucose units are linked mainly by α-1,4-glycosidic bonds. In amylopectin, additional branching occurs through α-1,6-glycosidic bonds.
02

Understanding Maltose Structure

Maltose is a disaccharide carbohydrate, which means it is formed by two glucose units. The glucose units in maltose are linked by an α-1,4-glycosidic bond.
03

Identifying the correct answer

From the information provided in Step 1 and Step 2, we can conclude that the glucose units in starch and maltose are linked between C1 and C4, with α-1,4-glycosidic bonds. This corresponds to the option (c) \(\mathrm{C}_{1}\) and \(\mathrm{C}_{4}\). Therefore, the correct answer is (c).

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