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Chapter 7: Problem 73

This section contains multiple choice questions. Each question has 4 choices (a), (b), (c) and (d), out of which ONLY ONE is correct. . Which of the following have \(\alpha\) -glycosidic linkages? (i) starch (ii) cellobiose (iii) lactose (iv) maltose (v) cellulose (a) (i), (ii) and (iv) (b) (ii), (iii) and (v) (c) (i) and (iv) (d) (i), (iv) and (v)

Short Answer

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(a) Starch (b) Cellobiose (c) Lactose (d) Maltose (e) Cellulose (f) (i) Starch and (iv) Maltose Answer: (f) (i) Starch and (iv) Maltose

Step by step solution

01

Identify the glycosidic linkages in various carbohydrates

In this step, we will recall the structures of the carbohydrates listed and identify the type of glycosidic linkage present in each carbohydrate. (i) Starch: α-1,4 and α-1,6 linkages (ii) Cellobiose: β-1,4 linkage (iii) Lactose: β-1,4 linkage (iv) Maltose: α-1,4 linkage (v) Cellulose: β-1,4 linkage
02

Identify the carbohydrates with α-glycosidic linkages

In this step, we will find out which of the listed carbohydrates have α-glycosidic linkages. From our previous findings, we can see that starch (i) and maltose (iv) have α-glycosidic linkages.
03

Choose the correct answer

Based on our findings in step 2, the correct answer is (c) (i) and (iv), which includes starch and maltose as having α-glycosidic linkages.

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