1. When a glycosidic linkage is formed between two monosaccharides, each with th

Question

1. When a glycosidic linkage is formed between two monosaccharides, each with the formula C6H12O6, the resulting disaccharide will have the formula C12H22O11.

A – True B- False

2. The glycosidic linkage found in some carbohydrates is actually an ether bond.

A- True B-False

3. Humans can digest glucose polymers containing alpha1-4 glycosidic linkages, but not those with beta 1-4 linkages.

A- True B-False

4.If D-glucose is levorotatory, then L-glucose must be levorotatory as well.

A- True B-False

6- In amylopectin, the glucose molecules are connected by

A. beta-1,4-glycosidic bonds

B. alpha-1,6-glycosidic bonds

C. alpha-1,4-glycosidic bonds

D. alpha-1,4-glycosidic bonds and alpha-1,6-glycosidic bonds

Explanation / Answer

1) A) True ( there will be loss of H2O during glycosidic Bond formation)

2) A) True ( R-O-R)

3) A) True ( alpha linkage is starch, beta linkage is cellulose)

4) B) False ( it can be either levo or dextro)

6) D) alpha-1,4-glycosidic bonds and alpha-1,6-glycosidic bonds

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